Day after day, whenever anyone challenges the TBTF banks' scale, they are slammed down with a mutually assured destruction message that limitations would impair profitability and weaken the country's position in global finance. So what if you were to discover, based on Bloomberg's calculations, that the largest banks aren't really profitable at all? What if the billions of dollars they allegedly earn for their shareholders were almost entirely a gift from U.S. taxpayers? The stunning truth is that the top-five banks account for $64 billion of an implicit subsidy based on the ludicrous (but entirely real) logic that: The banks that are potentially the most dangerous can borrow at lower rates, because creditors perceive them as too big to fail. Perhaps this realization will increase shareholder demands - or even political furore? The market discipline might not please executives, but it would certainly be an improvement over paying banks to put us in danger.

Via Bloomberg,

... the biggest U.S. banks ... make the case that size is a competitive advantage. It helps them lower costs and vie for customers on an international scale. Limiting it, they warn, would impair profitability and weaken the country’s position in global finance.

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What if the billions of dollars they allegedly earn for their shareholders were almost entirely a gift from U.S. taxpayers?

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Let’s start with a bit of background. Banks have a powerful incentive to get big and unwieldy. The larger they are, the more disastrous their failure would be and the more certain they can be of a government bailout in an emergency. The result is an implicit subsidy: The banks that are potentially the most dangerous can borrow at lower rates, because creditors perceive them as too big to fail.

Lately, economists have tried to pin down exactly how much the subsidy lowers big banks’ borrowing costs. In one relatively thorough effort, two researchers -- Kenichi Ueda of the International Monetary Fund and Beatrice Weder di Mauro of the University of Mainz -- put the number at about 0.8 percentage point. The discount applies to all their liabilities, including bonds and customer deposits.

Big Difference

Small as it might sound, 0.8 percentage point makes a big difference. Multiplied by the total liabilities of the 10 largest U.S. banks by assets, it amounts to a taxpayer subsidy of $83 billion a year. To put the figure in perspective, it’s tantamount to the government giving the banks about 3 cents of every tax dollar collected.

The top five banks -- JPMorgan, Bank of America Corp., Citigroup Inc., Wells Fargo & Co. and Goldman Sachs Group Inc. - - account for $64 billion of the total subsidy, an amount roughly equal to their typical annual profits (see tables for data on individual banks). In other words, the banks occupying the commanding heights of the U.S. financial industry -- with almost $9 trillion in assets, more than half the size of the U.S. economy -- would just about break even in the absence of corporate welfare. In large part, the profits they report are essentially transfers from taxpayers to their shareholders.

Neither bank executives nor shareholders have much incentive to change the situation. On the contrary, the financial industry spends hundreds of millions of dollars every election cycle on campaign donations and lobbying, much of which is aimed at maintaining the subsidy. The result is a bloated financial sector and recurring credit gluts. Left unchecked, the superbanks could ultimately require bailouts that exceed the government’s resources. Picture a meltdown in which the Treasury is helpless to step in as it did in 2008 and 2009.

Regulators can change the game by paring down the subsidy.

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Once shareholders fully recognized how poorly the biggest banks perform without government support, they would be motivated to demand better. This could entail anything from cutting pay packages to breaking down financial juggernauts into more manageable units. The market discipline might not please executives, but it would certainly be an improvement over paying banks to put us in danger.