Risk spillovers and hedging: why do firms invest too much in systemic risk?
In this paper we show that free entry decisions may be socially inefficient, even in a perfectly competitive homogeneous goods market with non-lumpy investments. In our model, inefficient entry decisions are the result of risk-aversion of incumbent producers and consumers, combined with incomplete financial markets which limit risk-sharing between market actors. Investments in productive assets affect the distribution of equilibrium prices and quantities, and create risk spillovers. From a societal perspective, entrants underinvest in technologies that would reduce systemic sector risk, and may overinvest in risk-increasing technologies. The inefficiency is shown to disappear when a complete financial market of tradable risk-sharing instruments is available, although the introduction of any individual tradable instrument may actually decrease efficiency. We therefore believe that sectors without well-developed financial markets will benefit from sector-specific regulation of investment decisions.
|Date of creation:||May 2011|
|Contact details of provider:|| Web page: http://feb.kuleuven.be/Economics/|
References listed on IDEAS
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- Schmalensee, Richard, 1981.
"Economies of Scale and Barriers to Entry,"
Journal of Political Economy,
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- Eric S. Maskin, 1999. "Uncertainty and entry deterrence," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 14(2), pages 429-437.
- Willems, Bert & Morbee, Joris, 2010. "Market completeness: How options affect hedging and investments in the electricity sector," Energy Economics, Elsevier, vol. 32(4), pages 786-795, July. Full references (including those not matched with items on IDEAS)
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