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Financial Institutions, Banking & Market Infrastructure
1The Financial System
The Financial SystemDirect Finance and IntermediationBank-Based and Market-BasedHow to Map Any…A Financial ClaimFinancial Health of an InstitutionSystemic Importance
2Banking
Net Interest Income and…Bank Margin and Deposit MixBank ResolutionBank RunsCommercial BanksCentral Bank and Commercial BankBank ReservesInterest IncomeIssuer and Acquirer BankAsset-Liability ManagementThe Bank Balance Sheet…Provision CoverageAsset QualityOpen Banking and Account Aggregators
3Deposits and Lending
Co-LendingRetail and Corporate Lending…On-Balance-Sheet Lending Against Co-Lending…Loan TypesDepositsSavings AccountsLoan to ValueLoan-to-Value CalculatorBank Funding and SpreadFixed and Floating-Rate Loans
4Institution Economics
What a Financial Institution…How to Build a…Where a Financial Institution…How Efficiency Ratios Read…What the Cost to…Cost to Income CalculatorCo-Lending EconomicsCapital Adequacy CalculatorReturn on Assets and…Disclosed, Derived or Concluded
5NBFCs and Digital Credit
Credit UnderwritingCredit Cost vs Provision CostAlternative Data in CreditTraditional vs Alternative Credit…Fintech LendersNBFC vs Fintech LenderCredit BureauxDigital LendingEmbedded FinanceLoan OriginationLoan Book EconomicsWarehouse LinesDigital Public InfrastructureFirst Loss Default GuaranteeBank vs NBFCDirect vs Intermediated Distribution
6Insurance
How Insurance Pools Risk…UnderwritingLoss Ratio, Expense Ratio…Insurance Ratio CalculatorLife and General InsuranceInsurance and AssuranceInsurance FloatHow an Insurer Earns,…ReinsuranceSolvency RatioPremium Growth
7Asset Managers
Asset ManagerAsset Manager EconomicsAUM FlowFee CompressionManagement Fee vs Performance FeeFund AdministrationFund DistributionInvestment PlatformsTransfer AgentAssets Under Management
8Brokerages and Exchanges
What a Broker Does…Broker and DealerFull-Service and Discount BrokersThe Order BookOrder FlowStock ExchangeTrading VenuesMargin FundingBrokerage EconomicsThe Bid-Ask Spread
9Market Plumbing
The Interbank MarketExchange, Clearing Corporation, DepositoryClearingNovationMarket MakersSecurities LendingThe Settlement CycleCorporate ActionsDelivery Versus PaymentHaircut and Margin
10Payments
Payment AggregatorCard NetworkInterchange FeeMerchant AcquirerPayment SystemThe Cost of a PaymentPushing Money or Pulling ItBatched, One by One, or InstantGateway or AggregatorHow to Trace a Payment Flow
11System Liquidity
Liquidity FacilitiesSolvency and Liquidity CrisesThe Discount WindowReserve RequirementsMaturity and Liquidity TransformationSystem Liquidity vs Bank LiquidityLender of Last Resort
12System Stability
ContagionResolutionDeposit InsuranceMoral HazardSystemic RiskThe Financial Safety NetToo Big to FailBailout vs Bail-In
13Financial Inclusion
Financial InclusionFinancial Inclusion vs Financial LiteracyKYCAccount AggregatorThe Regulatory Perimeter

How to Build a Financial-Institution Peer Map

The question is fixed in writing before a single institution is chosen. Selection runs on what each one takes in and gives out rather than on what it is called. Every entry sits on one period and one named base. Return on assets and leverage get their own columns before return on equity gets one, and the work finishes by writing down what the table cannot settle.

A table of institutions is a comparison, and a comparison is only ever as good as the thing it holds constant. The rule about holding one thing constant carries almost the whole of the procedure below. Nearly every fault met in one of these tables is something that quietly was not held constant: a different stretch of time in one row, a different denominator in the next, a rule that decided one cell and not the one beside it, or one column standing in for two measures that move in opposite directions. The nine steps below are ordered so that everything which has to be held constant is fixed before a single entry is typed.

Reading a balance sheet and an income statement, and knowing what an asset, a liability and a percentage point are, is assumed here. So is the meaning of each measure. Each measure is treated separately and in full: what return on assets means, why return on equity is return on assets multiplied by leverage, what a cost to income ratio does to its base, and what a capital requirement is measured against. The nine steps below set the order the work is done in, not what the columns mean.

The two records every entry below is worked from

Suvarna Commercial Bank Limited, invented. One stated year. Total assets Rs 2,40,000 crore, of which deposits fund Rs 1,92,000 crore. Advances Rs 1,44,000 crore and investments Rs 60,000 crore. Net worthWhat is left of an institution for its own shareholders once everything it owes to everybody else has been taken off. Also called equity or own funds. Rs 24,000 crore. Against Rs 18,600 crore of interest earned it paid Rs 11,160 crore away, leaving Rs 7,440 crore of net interest income. Other income Rs 2,400 crore, operating expenses Rs 5,040 crore, provisions Rs 1,800 crore, tax struck at 25.0 per cent of the year's profit before tax, and profit after tax of Rs 2,250 crore.

Rukmini Finance Limited, invented. Also one stated year. The finance company lends without taking a single deposit, raising the money it lends from market lenders instead.Assets under managementThe book of advances a finance company has out at work, counted as an amount. Assets under management occupy the place that total assets occupy on a bank. Rs 18,000 crore against borrowings of Rs 14,400 crore and net worth of Rs 3,600 crore. Yield on advances 14.50 per cent a year, cost of borrowings 8.50 per cent a year. The company earned Rs 2,610 crore of interest and paid Rs 1,224 crore away, and the Rs 1,386 crore between them is its net interest income. Operating expenses Rs 540 crore, credit costsWhat a lender books in a period against advances it does not expect to recover in full. Credit costs are taken apart separately. Rs 396 crore, and profit after tax of Rs 337.50 crore.

Each record is one institution in one stated year. There is no downturn anywhere in this record, no second period and no failure. The limit gets written onto the finished table at step nine rather than left implied.

The order the work is done inNine steps. The order is the teaching, because four of them have to be finished before any entry exists.1Write the question down, before a single institution is chosen2Choose on what each one takes in and gives out, not on what it is called3Fix the period, and use the same one for every entry in the table4Fix the base of every ratio, and put the base into the column heading5Build return on assets and leverage as columns, before return on equity6Draw the columns a regulator decides, and leave every one of those cells empty7Mark what was published apart from what was worked out, in the table itself8Read across a row before reading down a column9Write down what the finished table cannot settle, on the tableSteps one to four happen before a single entry is typed. They decide who is in the table,what stretch of time it covers and what every denominator is. Steps five to eight fill itand read it. Step nine closes it by writing down what it cannot settle.
The nine steps run in a fixed order, and the order is what prevents the two commonest faults in a table of institutions: a period that moves between rows, and a product column built before the two columns it is a product of.

What is a table of financial institutions actually for?

Start with the thing almost nobody does. Skipping it is what makes the other eight steps hard. Write the question down, in a sentence, at the top of the sheet, before a single institution has been chosen to put in it. A table built to answer which lender earns more per rupee of assets holds different institutions from a table built to answer which lender leans hardest on borrowed money. The question decides the membership. The membership does not decide the question.

Here is the everyday version. Two households are moving to a new city and each writes a list of places to live. The first has written at the top of the list that they need to be within twenty minutes of a school. The second has not written anything and is simply collecting flats they liked the look of. Both end up with a list. Only one of those lists can answer a question, and the second household will discover that at the point where it has to choose. A sheet of institutions works exactly the same way. A table assembled first and questioned afterwards will answer whatever it happens to contain. Answering what the person building it wanted to know is a different thing.

The question also does something quieter that matters more later. The written question settles which columns are load bearing and which are decoration. If the written question is about how hard a lender leans on borrowed money, then leverage is the column the whole sheet exists for, and a column of share prices is furniture. Without the sentence at the top, every column looks equally important, so the sheet grows until it is unreadable and then gets sorted on whichever column sorts most cleanly.

Try it out

A spreadsheet holds six lenders, eleven columns of correct figures, and nothing written at the top. A colleague asks what it shows. What can honestly be said?

Which institutions belong in the same table, and which do not?

Step two, and it is the step where most tables are quietly decided by a label. The test is not what an institution is called. The test is the money an institution takes in and the money it hands out, and one of them can pass on either side while failing on the other.

Run it on the two lenders in this record. On the giving-out side, the two lenders in this record are doing the same thing as each other. Both hand money to borrowers, both earn interest on it, both carry a charge for the part that will not come back. Both belong in one table on that side without any argument. On the taking-in side they are not doing the same thing at all. Deposits of Rs 1,92,000 crore sit on Suvarna Commercial Bank Limited's funding side. On Rukmini Finance Limited's there are none at all, and Rs 14,400 crore of market borrowings in their place.

So does the finance company belong in the table? Yes, if the written question is about lending. A mixed table is allowed. The discipline is to record the mixing at the top of the sheet rather than let somebody discover it halfway down a column. The one thing that cannot be done is to leave it unsaid, because a reader who arrives at the sheet later sees two rows of figures and no note, and reads every difference between them as performance.

The same test throws other institutions out cleanly. Run it before anybody reaches for a label. Chandrika Life Insurance Limited, invented, takes in premiums against a promise to pay somebody later, so the money on its books is mostly a claim the future has on it rather than a book it has lent. Vaidehi Asset Managers Limited takes in nothing onto its own balance sheet at all and earns a fee for running money that belongs to other people. Kaveri Stock Exchange Limited and its clearing corporation take in trades and give out settled ones. Setu Payments Limited takes in instructions and gives out completed payments. None of those four takes in money to lend it out, so none of them belongs in a lenders' table however comfortable the phrase financial institution makes it look.

The selection test: what goes in, what comes outSuvarna Commercial Bank Limited and Rukmini Finance Limited, both invented, one stated year each.WHAT IT TAKES INWHAT IT GIVES OUTSuvarna CommercialBank LimitedinventedDepositsRs 1,92,000 croreLendsAdvances Rs 1,44,000 croreRukmini FinanceLimitedinventedNo deposits at allBorrowings Rs 14,400 croreLendsBook Rs 18,000 croreSame on the giving-out side: both lend, and both earn interest on what they lent.Different on the taking-in side: one holds deposits and the other holds none at all.The table is a mixed one, so the mixing is recorded at the top rather than found later.
Two lenders can belong in one table on the giving-out side and not belong on the taking-in side, so a mixed table records its mixing at the top instead of leaving it to be discovered halfway down a column.
Try it out

A table is meant to answer which lender leans hardest on borrowed money. Does a lender that takes no deposits at all belong in it?

How is the calendar stopped from doing the comparing?

Step three. Fix the period, and use one period for every entry in the table. A rate without its period is not an entry at all, it is a number, and putting a full year against part of a year in adjacent rows produces a difference that is entirely calendar.

Every rate in this record carries its period, and it is worth noticing how insistent that is. Rukmini Finance Limited earns 14.50 per cent a year on what it lends and pays 8.50 per cent a year on what it borrows. Tax is struck at 25.0 per cent of the year's profit before tax. The Rs 18,600 crore of interest sitting on Suvarna Commercial Bank Limited's account covers twelve months rather than three, and so does the Rs 2,250 crore of profit underneath it.

The household version is the one everybody has already lived. A cousin says they saved eighty thousand rupees. The figure impresses until it turns out to have been over three years, against somebody else's sixty thousand in one. The two numbers were never comparable and nobody was lying. Between two entries struck on different stretches of time, the gap belongs to the stretches and not to the institutions. The correction is not a footnote after the fact, because a footnote under a column that has already been read is a record of the fault rather than a fix for it. The period is decided at step three, before anything is typed.

Try it out

One row of the return column covers a full stated year and the row under it covers six months. Both figures came straight off published accounts and both are arithmetically correct. What has been built?

Where does the base of a ratio have to be written down?

Step four, and the answer is: in the column heading, before anything goes underneath it. Not a column headed margin, but a column headed margin on earning assets, or a column headed margin on total assets, and never both readings in one column. A heading that names its base makes the commonest fault in these tables impossible, and a heading that does not makes the same fault invisible.

Watch one unchanged figure produce two different entries. Suvarna Commercial Bank Limited earned net interest income of Rs 7,440 crore in the stated year. Divide it by earning assetsThe assets that actually pay a lender interest, being its advances and its investments. Earning assets are a narrower base than total assets. of Rs 2,04,000 crore and the entry reads 3.65 per cent. Put the same Rs 7,440 crore over total assets of Rs 2,40,000 crore and the entry reads 3.10 per cent. The two sit about half a percentage point apart. Nothing about the bank changed between those two readings. The only thing that changed was the denominator somebody chose, and if the heading does not say which one they chose, a reader cannot tell that anything was chosen at all.

The unnamed base is why a column of net interest marginA lender's net interest income turned into a rate, against whichever asset base the heading names, over a stated stretch of time. Net interest margin is taken apart separately. figures collected from several institutions is one of the least trustworthy things that can be built. Each institution wrote a correct figure. The institutions did not all write it on the same base. Collecting correct figures is not the same activity as building a comparable column, and step four is where the difference gets settled.

One income figure, two entries, one denominator apartSuvarna Commercial Bank Limited, invented, one stated year. Nothing about the institution changes between the two readings.Net interest incomeRs 7,440 crore, one stated yeardivided by earning assetsdivided by total assetsMARGIN ON EARNING ASSETSbase: Rs 2,04,000 crore3.65 per centfor the stated yearMARGIN ON TOTAL ASSETSbase: Rs 2,40,000 crore3.10 per centfor the stated yearBoth entries are correct and the two lie about half a percentage point apart. The whole ofthat distance is the denominator, which is why the base belongs in the column heading.
One unchanged income figure of Rs 7,440 crore reads 3.65 per cent once the base underneath it is earning assets of Rs 2,04,000 crore, and drops to 3.10 per cent once the base is the whole Rs 2,40,000 crore, so only the heading can tell a reader which was chosen.
Try it out

A column is headed net interest margin with no base named under it. Two lenders read 3.65 and 3.10 per cent. What is the first thing to check?

Try it out

A return on equity column is about to be added to a table that already carries return on assets and leverage. What does the new column give that the other two do not?

Which columns have to sit in the table before return on equity does?

Step five is the step this whole procedure exists for. Return on equityProfit for the period divided by net worth. Return on equity is taken apart separately and in full. is return on assetsProfit for the period divided by the asset base, with the base named. Return on assets is covered separately. multiplied by leverageAssets divided by net worth. Leverage says how many rupees of book are being run per rupee of the institution's own money., so a table carrying only the product has carried one column where three belong. Build the two first. Put the product beside them and never instead of them.

Now the part that has to be said out loud rather than left for a reader to trip over. Both lenders in this record come out at 9.38 per cent on equity for the stated year. The two figures are equal for a reason rather than by coincidence. This record was built that way deliberately, so that a reader who ranks institutions on the one column that sorts finds out here, on two invented lenders, that the ranking cannot tell them apart. A figure that arrives identical in two rows with nothing said about it looks like somebody mistyped a cell, and a reader who settles on that explanation walks away having learned none of this.

Take the two routes apart. Suvarna Commercial Bank Limited turns Rs 2,250 crore of profit on Rs 2,40,000 crore of assets. The result is 0.9375 per cent, reported as 0.94. Its assets are 10.0 times its net worth of Rs 24,000 crore. Rukmini Finance Limited turns Rs 337.50 crore of profit on Rs 18,000 crore of book. The result is 1.875 per cent, reported as 1.88. Its book is 5.0 times its net worth of Rs 3,600 crore. Half the return per rupee of book against twice the leverage, and the two roads arrive at one figure.

The rounding will bite anybody who checks the arithmetic with the printed figures, so here it is printed rather than hidden. 0.94 multiplied by 10.0 is 9.40, and 1.88 multiplied by 5.0 is 9.40, and neither of those is 9.38. The reported returns on assets are roundings. The exact figures are 0.9375 per cent and 1.875 per cent. The first multiplied by 10.0 and the second by 5.0 both land on 9.375 per cent, and 9.375 is the figure that rounds to 9.38. Neither rounding is an error on its own. A table that prints 0.94, prints 10.0 times, prints 9.38 and leaves the reader to reconcile them misleads, so every entry of the decomposition below carries the exact limb beside the reported one.

Read the three columns across and the point lands without anybody having to argue it. The last column ties and the two before it do not, so a reader sees immediately that the agreement lives in the product rather than in the business. That is the whole reason the ordering rule exists: the product column is never built before the two columns it is a product of.

The same arithmetic, built two waysSuvarna Commercial Bank Limited and Rukmini Finance Limited, both invented, one stated year each.THE TABLE WITH ONE RETURN COLUMNINSTITUTIONRETURN ON EQUITYSuvarna Commercial Bank9.38 per centRukmini Finance Limited9.38 per centRead down this column and the twolenders are identical. It is the onlyreturn column that was ever built.THE TABLE WITH THE THREE COLUMNS IT IS A PRODUCT OFINSTITUTIONRETURN ON ASSETSLEVERAGERETURN ON EQUITYSuvarna Commercial Bank0.9375, printed 0.9410.0 times9.375, printed 9.38Rukmini Finance Limited1.875, printed 1.885.0 times9.375, printed 9.38Column one is exactly double in the finance company's favour. Column two is exactly doublein the bank's favour. The two doublings cancel, so column three ties at 9.375 per cent forboth, printed as 9.38. Leverage here is assets over net worth, for the stated year.
The table with three return columns and the table with one carry exactly the same arithmetic, and only the first of them can be read: with return on assets and leverage separated out, the two lenders differ by a factor of two in both directions.
Try it out

A table needs a column for how much capital each lender must hold. Before it is built, what goes into the cells has to be settled.

What goes into the columns a regulator decides?

Nothing at all, and that is step six. A table of lenders wants a column for what each one must hold as capital and a column for how far each one is allowed to lever. Both of those are set by the Reserve Bank of India at rbi.org.in, both differ between a bank and a finance company, and both move. The column is drawn, the authority goes inside the cell, and it is filled from the source on the day the table is actually used; a value is never typed into a table that will still be in use next year.

The empty cell protects against something other than staleness. A figure that is merely old announces itself: the sheet shows it was built two years ago, and it gets checked. A typed requirement does not announce anything. The typed requirement sits in the cell looking exactly as authoritative as it did on the day it was true, and on the day the rule moves it stops being old and starts being incorrect, with nothing on the screen to say so. A labelled empty row never goes out of date, and a filled one has no way of signalling when it did.

The same treatment covers every column a rule decides. The capital each institution type must hold, how far each may lever, what a supervised institution has to publish about itself and how often, and which periods it has to report on are all drawn as rows with the authority named inside and the value left blank. A reader gets something that can be filled from the source. A reader handed a stated minimum gets something that will quietly go wrong.

Two columns a reader fills from the source, not from hereFour cells, drawn and left blank on purpose. Both institutions invented.INSTITUTIONCAPITAL IT MUST HOLDHOW FAR IT MAY LEVERWHAT IT IS FILLED FROMSuvarna CommercialBank Limited, inventedReserve Bank of Indiarbi.org.inReserve Bank of Indiarbi.org.inthe source, on theday it is usedRukmini FinanceLimited, inventedReserve Bank of Indiarbi.org.inReserve Bank of Indiarbi.org.inthe source, on theday it is usedWhat each institution type must hold and how far each may lever are both set by the ReserveBank of India, both differ between a bank and a finance company, and both move. A blank cellwith an address in it never goes out of date. A typed one cannot signal when it did.
A table can be complete and still carry four cells drawn empty on purpose, each one holding the name of the authority that decides the entry so it can be filled from the source on the day the table is used.

How is a published entry told apart from a worked-out one?

Step seven, and it takes about a minute to do and saves an argument that would otherwise arrive later. Mark what was published apart from what was worked out, in the table itself rather than in anybody's memory of building it.

Look at what actually sits in the built table. Rs 2,250 crore of profit after tax and Rs 2,40,000 crore of total assets are entries Suvarna Commercial Bank Limited published. So are its Rs 24,000 crore of net worth, and Rukmini Finance Limited's Rs 337.50 crore of profit, Rs 18,000 crore of book and Rs 3,600 crore of net worth. Six cells came off an account. Then there is 0.9375 per cent. A reader made that entry by dividing one of those cells by another and choosing which denominator to use. There are six of those too, one return on assets, one leverage and one return on equity for each institution. Twelve cells in the built table, and exactly half of them were published.

The marking matters because tables travel. A finished table will be forwarded, pasted into something else, and read by somebody who was not in the room when the denominator was chosen. A table that travels without the marking comes back with every entry treated as published. The assumed ones come back that way too. That is not a small problem, because the published cells can be checked against a source and the worked-out ones can only be checked against the reasoning that produced them, and a reader who cannot tell them apart will not check either.

Twelve cells, and only six of them were publishedThe built table, both institutions invented, one stated year each.PUBLISHED BY THE INSTITUTIONPRODUCED BY WHOEVER BUILT ITProfit after tax, Rs 2,250 croreReturn on assets, 0.9375 per centTotal assets, Rs 2,40,000 croreLeverage, 10.0 timesNet worth, Rs 24,000 croreReturn on equity, 9.375 per centProfit after tax, Rs 337.50 croreReturn on assets, 1.875 per centBook, Rs 18,000 croreLeverage, 5.0 timesNet worth, Rs 3,600 croreReturn on equity, 9.375 per centSix cells came off an account somebody published. Six were made by a reader dividing one ofthose cells by another, and choosing the denominator. The table itself says which is which.
Marking published entries differently from worked-out ones is what lets a table be handed to somebody who did not build it, because six of these twelve cells can be checked against a source and six can only be checked against somebody's reasoning.
Try it out

A finished table travels to a colleague in another team with no marking on any entry. What comes back?

Which direction is the finished table read in first?

Step eight, and it is a habit rather than a calculation. Read across a row before reading down a column. Reading down a column ranks institutions against each other. Reading across a row describes one institution and shows whether its own figures agree with each other. A row that does not hold together internally makes every column it appears in worse, and only reading across shows it. So the second has to happen first.

The two rows already built show it. Across Suvarna Commercial Bank Limited the row reads 0.9375 per cent of assets at 10.0 times, producing 9.375 per cent. Across Rukmini Finance Limited it reads 1.875 per cent at 5.0 times, producing the same 9.375 per cent. Both rows hold together. Down the last column the two are identical. Reading across has already shown that identity to be an agreement in the product and nowhere else. Reading across first is what turns an identical pair of numbers from a puzzle into a finding.

The everyday version is a set of shop accounts. Reading down gives which of four shops took the most money last month. Reading across one shop gives whether its takings, its stock and its wages are consistent with each other, and if they are not, that shop's number was never fit to be ranked against the other three in the first place.

Two directions, and one of them goes firstBoth institutions invented, one stated year each. Exact limbs shown, as they are throughout.INSTITUTIONRETURN ON ASSETSRETURN ON EQUITYSuvarna Commercial Bank0.9375 per cent9.375 per centRukmini Finance Limited1.875 per cent9.375 per cent1. READACROSS2. THEN READ DOWNReading across a row asks whether one institution's own figures agree with each other.Reading down a column ranks several institutions against one another. A row that does nothold together makes every column it sits in worse, and only reading across shows that.
Reading a table across describes one institution and reading it down ranks several, and the first has to happen before the second is worth anything at all.
Try it out

Two rows in a table both post 9.38 per cent in the last column. What does reading across each row give that reading down that column did not?

What does a finished table have to say about itself?

Step nine, the last one, and it is an output rather than a caution at the foot. Write down what the table cannot settle, on the table. For the table built here, that line reads: one stated year, two institutions, both invented, no downturn and no second period anywhere in the record behind them.

Think about why that is a product of the work rather than a hedge against it. A table that names its own limits can be handed to somebody else. The person receiving it knows the shape of what they are holding. A table that looks complete cannot be audited by anybody who did not build it, so it gets used for whatever its columns seem to support. The limits line is the part of the table that survives being forwarded.

And it forces the honest sentence about this particular table. The arithmetic settles what each institution's return on assets, leverage and return on equity are for the stated year. The arithmetic settles nothing about which way of running a lender is better. A lender running at higher leverage is not thereby reckless, and a lender earning a wider spread is not thereby skilful. Each of these two is one invented institution in one year, and there is no failure, no cycle and no second period anywhere in the record, so neither can be evidence about what its way of doing business achieves. The table sets down the arithmetic, names the questions that arithmetic leaves open, and goes no further.

What does the whole table look like once it is built?

Here it is, with all nine steps applied. The written question at the top, both institutions selected on what they take in and give out, one stated year throughout, every base named in its heading, the three return columns in their proper order, the two requirement columns drawn empty, and every cell marked as published or worked out.

The written question, at the top of the table: for the stated year, what did each lender earn per rupee of its own book, how many rupees of book did it run per rupee of its own money, and what did those two produce together? Membership follows from that sentence and not the other way round. The mixing, recorded at the top: one of these two takes deposits and the other takes none, so the taking-in sides are not alike.

Institution, inventedProfit after taxAsset baseNet worth
Suvarna Commercial Bank LimitedRs 2,250 crorepublishedRs 2,40,000 crorepublishedRs 24,000 crorepublished
Rukmini Finance LimitedRs 337.50 crorepublishedRs 18,000 crorepublishedRs 3,600 crorepublished
Institution, inventedReturn on assets, on the asset base named above, for the stated yearLeverage, assets over net worthReturn on equity, on net worth, for the stated year
Suvarna Commercial Bank Limited0.9375 per cent, printed 0.94worked out10.0 timesworked out9.375 per cent, printed 9.38worked out
Rukmini Finance Limited1.875 per cent, printed 1.88worked out5.0 timesworked out9.375 per cent, printed 9.38worked out
How they compareexactly double, the finance company's wayexactly double, the bank's wayequal, and equal on purpose
Institution, inventedCapital it must holdHow far it may lever
Suvarna Commercial Bank Limitedleft blank on purpose; Reserve Bank of India, rbi.org.inleft blank on purpose; Reserve Bank of India, rbi.org.in
Rukmini Finance Limitedleft blank on purpose; Reserve Bank of India, rbi.org.inleft blank on purpose; Reserve Bank of India, rbi.org.in

The limits of this finished table: one stated year, two institutions, both invented, no downturn and no second period in the record behind them, so it settles what each arithmetic is and nothing whatever about which way of running a lender is better.

Read down the last return column and the two institutions are identical. Read down the two before it and they disagree by a factor of two in both directions. Split the one column into the three it is made of and the agreement disappears. Step five puts the parts before the product for exactly that reason.

How does a table like this go wrong in practice?

The one column that sorts

Under time pressure before a meeting, a reader builds the table with return on equity as the only return column, because it is the column that sorts cleanly. The bank and the finance company come out level at 9.38 per cent. The reader records the two as equivalent performers and moves on to the next thing.

Every single entry in that table is arithmetically correct. The table has dropped the two columns that disagree and kept the one that agrees. A comparison is for exactly the opposite. There is no error to find, which is why nobody finds one.

The cost lands later and somewhere else entirely. The reader now carries forward a belief that a deposit-funded lender running 10.0 times and a market-funded lender running 5.0 times are interchangeable. Every later judgement inherits it: which one is asked for a quote, which one is treated as the benchmark, how a difference in some third measure gets explained. The fix is the ordering rule at step five. One column sorts in a second and three columns need reading, and that gap in effort is exactly where this failure lives.

Sorting on the one column that agreesBoth institutions invented, one stated year each. Every cell in the sorted table is correct.THE TWO COLUMNS THAT DISAGREERETURN ONASSETSnever builtLEVERAGEnever builtTHE ONE COLUMN THAT AGREES, SORTEDINSTITUTIONRETURN ON EQUITYSuvarna Commercial Bank9.38 per centRukmini Finance Limited9.38 per centEvery cell in the sorted table is arithmetically correct, and the tie is not a finding aboutthese two lenders. It is what is left after the two columns that disagree were dropped andthe one column that agrees was kept. Nothing in that table is an error, which is the trouble.
Sorted on return on equity alone the two lenders sit level at 9.38 per cent for the stated year, and that level reading exists only because the column which agrees was kept while the two which disagree were never built.
Try it out

What is the last thing that goes onto a finished table, and why does it count as an output rather than a disclaimer?

Who actually builds one of these, and what do they do with it?

Where this order of work earns its keep

A lender's own credit team builds one before it deals with another institution. The written question at the top is usually blunt: what does a year of lending to this counterparty rely on. The blunt question puts leverage and funding in the load-bearing columns and pushes the market columns to the edge of the sheet. The team fills the two requirement columns from the Reserve Bank of India at rbi.org.in on the morning of the meeting rather than from last quarter's sheet, and the marking convention is what lets the file go to a committee that was not in the room.

A supervisor reads across before reading down for a different reason. Reading across one institution's row is how an internal inconsistency shows up at all. A return on equity that ties to nothing in its own row is a signal about the row, and nothing about the column it sits in would have shown it.

The same discipline has a household version, and the habit is worth building on small things. Two places want to take a household's money and each quotes a rate. The question comes first: what is actually being compared, over what stretch of time, on what amount. Once the period and the base are fixed, most of the apparent difference between competing quotes turns out to be the period and the base, and what is left is the real difference. Two quotes compared that way are the whole procedure at a scale anybody can check.

India

Six conditions on a table that only an authority can settle

Each row below is a condition that would decide an entry on a table like this one. Each of them is set by an authority that revises it whenever that authority decides to, so a value typed into one of these rows would stop being merely old and turn into a wrong answer the moment its authority moves it, and nothing on the sheet would say so. Each row here is drawn, named, and then left with no value in it.

The condition that decides the entryWhose rule it isWhat the table carries
Which institutions a supervisor treats as comparable, and on what published basisReserve Bank of Indialeft blank on purpose; read it at rbi.org.in
The capital minimum applying to each institution type, and how the types differ from one anotherReserve Bank of Indialeft blank on purpose; read it at rbi.org.in
The leverage limit applying to a bankReserve Bank of Indialeft blank on purpose; read it at rbi.org.in
The leverage limit applying to a non-banking finance companyReserve Bank of Indialeft blank on purpose; read it at rbi.org.in
What a supervised institution must publish about itself, in what form and how oftenReserve Bank of Indialeft blank on purpose; read it at rbi.org.in
The periods a supervised institution must report on, and the dates those periods are struck atReserve Bank of Indialeft blank on purpose; read it at rbi.org.in

A table reaching beyond lenders picks up more of these. Registration conditions for an exchange, a broker, a clearing corporation, a depository or an asset manager are set by the Securities and Exchange Board of India (SEBI) at sebi.gov.in. An insurer's solvency margin is set by the Insurance Regulatory and Development Authority of India (IRDAI) at irdai.gov.in. A pension arrangement goes to the Pension Fund Regulatory and Development Authority (PFRDA) at pfrda.org.in, and deposit cover to the Deposit Insurance and Credit Guarantee Corporation at dicgc.org.in. Each of those is an address the entry is read at rather than a value the sheet can carry.

What is not covered here?

No measure in any column is explained here. Return on assets and return on equity, and the reason one is the other multiplied by leverage, are taken apart separately and in full. The cost to income ratio and the trouble with its base are treated separately, as is capital adequacy and what its denominator is measured against, as is the separate question of where a lender's money comes from in the first place.

A bank and its balance sheet, net interest income and net interest margin, reserves, deposits, the loan types and a loan shared between two lenders are each covered separately.

Price sits outside a lenders' table altogether. How a security is valued, what a price implies and how a research note is written are covered separately under securities analysis. Every capital minimum and leverage limit a column would otherwise carry belongs to the Reserve Bank of India, and the column carries that address in place of a value.

Where do the entries this procedure leaves blank get read?

Each line below is the address a reader goes to when a column of their own table needs filling.

AuthorityWhat it decides for a column on the tableSite
Reserve Bank of IndiaEvery one of the six rows above: comparability, the capital minimum by institution type, the two leverage limits, what has to be published, and the periods reporting is struck onrbi.org.in
SEBIRegistration conditions for an exchange, a broker, a clearing corporation, a depository and an asset manager, wherever a table stretches past lenderssebi.gov.in
IRDAIThe solvency margin an insurer has to meet, which is the column an insurer would need and a lenders' table has no room forirdai.gov.in
PFRDAThe conditions applying wherever a pension arrangement enters the sheetpfrda.org.in
Deposit Insurance and Credit Guarantee CorporationDeposit cover, which decides an entry the moment a table's written question turns to what a depositor is relying ondicgc.org.in
Repository of academic workThe route taken before any named academic idea is written down, which is why no trade name is attached to the arithmetic at step fiveideas.repec.org

Suvarna Commercial Bank Limited, Rukmini Finance Limited, Chandrika Life Insurance Limited, Vaidehi Asset Managers Limited, Kaveri Stock Exchange Limited and Setu Payments Limited are invented.
Educational material. Not advice on any investment, tax, budget or market position.

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