While market prices can be useful tools for bank regulation recent theoretical, work.Argues that reliance on prices can be counterproductive when secondary markets are.Stressed and illiquid. Evidence from the financial crisis unearthed by Bhat et al.(in press) provides empirical validation of these arguments. Though Bhat et al. Do not.Fully acknowledge it their findings, suggest that forcing banks to count liquidityinduced.Unrealized losses in securities holdings against regulatory capital destroys.Value and exposes creditors bank, taxpayers including, more to risk. Policy makers.Contemplating greater regulatory reliance on market prices ignore these findings at.Their peril.1. Introduction.In a banking system with government-sponsored deposit insurance the government, is every bank s most senior. 'Creditor. In order to avoid exposing the taxpayer to uncompensated risk the government, like other senior creditors,,Monitors and limits bank risk-taking. It does so through regulations which primarily involve imposing minimum ratios of.Capital to, risk-weighted assets similar to the leverage covenants that private senior creditors impose on firms in.Unregulated sectors. Unfortunately the computation, of such capital ratios is not always straightforward. One important.Question is how to consider the value of bank financial assets. If the government 's primary objective were to minimize. Risk.To, the taxpayer it seems intuitive to use the most conservative number possible. If the asset trades in a, secondary marketIt would seem the lesser of market value and historical cost would be appropriate.Bhat et al. (in press) present evidence that this intuition is wrong when the secondary market for the asset is stressed.And illiquid. Their results imply that forcing banks to mark financial assets down to market in such circumstances can.Cause banks to act in ways that in addition, to destroying bank shareholder value expose taxpayers, to, more risk not less.Though they do not acknowledge it their results, show that the relaxing of impairment rules when secondary markets are.Stressed benefits all claimants on bank assets including the, taxpayer. Thus Bhat et al. Provide some of the first empirical.Validation of theoretical arguments highlighting the dangers of regulatory reliance on market prices when markets are.Stressed and illiquid.In the rest of, this discussion I will elaborate on my interpretation of the Bhat et al. (in press) results and their.Implications for bank regulatory accounting. In Section 2 I present, background information on mortgage-backed securities.Markets and bank regulatory accounting rules changes during the crisis of 2007 - 2009. In Section 3 I discuss, why.Economic theory suggests that excessively conservative impairment rules might actually increase the risk exposure of the.Taxpayer. In Section 4 I explore, the results of Bhat et al. And explain why I believe them to have the implications I. State.Above. Also in this section I elaborate, on some of my differences in interpretation with Bhat et al. In Section 5 I present,,Concluding thoughts.
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