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The Var at Risk

Abstract : I show that the structure of the firm is not neutral with respect to regulatory capital budgeted under rules which are based on the Value-at-Risk. Indeed, when a holding company has the liberty to divide its risk into as many subsidiaries as needed, and when the subsidiaries are subject to capital requirements according to the Value-at-Risk budgeting rule, then there is an optimal way to divide risk which is such that the total amount of capital to be budgeted by the shareholder is zero. This result may lead to regulatory arbitrage by some firms.
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Submitted on : Thursday, February 24, 2022 - 4:45:25 PM
Last modification on : Friday, February 25, 2022 - 3:33:51 AM

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Alfred Galichon. The Var at Risk. International Journal of Theoretical and Applied Finance, World Scientific Publishing, 2010, 13 (4), pp.503 - 506. ⟨hal-03588292⟩

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