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A Definition of 'More Systematic Risk' with Some Welfare Implications

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  • David A. Hennessy
  • Harvey E. Lapan

Abstract

Producers are subject to similar production risks, and so their outputs are likely correlated. Using the entire data-set rather than summary statistics, we study an ordinal definition of systematic risk. For risk-neutral producers in perfect competition, we trace the effects of an increase in systematic risk through to impacts on welfare measures and production decisions. Expected welfare falls under more systematic risk, but either of expected producer surplus or expected consumer surplus may rise. Our definition of systematic risk also has relevance for the incentive to incur R&D expenditures, the benefits of diversity and the gains from risk-sharing. Copyright The London School of Economics and Political Science 2003.

Suggested Citation

  • David A. Hennessy & Harvey E. Lapan, 2003. "A Definition of 'More Systematic Risk' with Some Welfare Implications," Economica, London School of Economics and Political Science, vol. 70(279), pages 493-507, August.
  • Handle: RePEc:bla:econom:v:70:y:2003:i:279:p:493-507
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    Cited by:

    1. Quiggin, John & Chambers, Robert G., 2006. "Supermodularity and risk aversion," Mathematical Social Sciences, Elsevier, vol. 52(1), pages 1-14, July.
    2. Decancq, Koen, 2012. "Elementary multivariate rearrangements and stochastic dominance on a Fréchet class," Journal of Economic Theory, Elsevier, vol. 147(4), pages 1450-1459.
    3. Lapan, Harvey E. & Hennessy, David A., 2006. "A note on cost arrangement and market performance in a multi-product Cournot oligopoly," International Journal of Industrial Organization, Elsevier, vol. 24(3), pages 583-591, May.
    4. Meyer, Margaret & Strulovici, Bruno, 2012. "Increasing interdependence of multivariate distributions," Journal of Economic Theory, Elsevier, vol. 147(4), pages 1460-1489.
    5. Margaret Meyer & Bruno Strulovici, 2013. "The Supermodular Stochastic Ordering," Economics Series Working Papers 655, University of Oxford, Department of Economics.
    6. Hennessy, David A. & Lapan, Harvey E., 2006. "On the nature of certainty equivalent functionals," Journal of Mathematical Economics, Elsevier, vol. 43(1), pages 1-10, December.
    7. Lapan, Harvey E. & Hennessy, David A., 2004. "Cost Arrangement and Welfare in a Multi-Product Cournot Oligopoly," Staff General Research Papers Archive 12207, Iowa State University, Department of Economics.

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