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5 - European financial regulation: a framework for policy analysis

Published online by Cambridge University Press:  04 August 2010

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Summary

The wages of labour vary according to the small or great trust which must be reposed with the workman. The wages of goldsmiths and jewellers are everywhere superior to those of many other workmen, not only of equal, but of much superior ingenuity, on account of the precious metals with which they are entrusted. We trust our health to the physician; our fortune and sometimes our life and reputation to the lawyer and attorney. Such confidence could not safely be reposed in people of a very mean or low condition.

(Adam Smith, An Inquiry into the Nature and Causes of the Wealth of Nations, p. 105.)

Introduction

The regulation of financial services is normally associated with banks. Banks transform short-term deposits into long-term loans. This leaves them exposed to withdrawals that necessitate the premature liquidation of long-term assets. If the net realizable value of assets falls below deposits, then banks are unable to service withdrawals in full and insolvency may result. Perceiving this risk, investors may be induced to withdraw their deposits from financially sound banks in anticipation of similar behaviour by others. Investment decisions by investors can therefore impinge on others and banks are prone to runs (Diamond and Dybvig, 1983). Furthermore, if a run on one bank can prompt a run elsewhere then there is a risk of contagion. In particular, if the ability of other banks to launch rescues of troubled banks is dependent on their own financial condition then investors may correctly infer information about the soundness of the financial system from bank failures (see Aghion, Bolton and Dewatripont, 1988). There are therefore externalities between investors and between institutions that justify regulation.

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Publisher: Cambridge University Press
Print publication year: 1991

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