Allocation of Risk Capital on an Internal Market
University of Hagen
April 12, 2012
We propose an allocation process for economic risk capital using an internal sequential auction in which investment allowances are based on marginal risk contributions. Division managers have incentive to give truthful bids because of bonus payments, which are linear in the division's profit and linked to the auction bids. With our model, the auction process reaches an equilibrium identical to the optimal allocation if division managers have no diverging interests. When division managers do have diverging preferences in terms of empire building, headquarters faces a trade-off between incurring opportunity costs for achieving a suboptimal allocation and bonus costs paid to division managers to overcome their diverging interests. However, bonus costs are partially offset by proceeds from the auction. Depending on the model parameters, total agency costs can become negative. We show that for large values of new risk capital to be allocated, headquarters can always choose a level of bonus payments so that total costs are negative.
Number of Pages in PDF File: 48
Keywords: capital allocation, economic capital, risk capital, risk contributions, internal market, asymmetric information, empire building
JEL Classification: D44, G31working papers series
Date posted: March 4, 2008 ; Last revised: April 25, 2012
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