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An Equilibrium Approach to Indifference Pricing with Model Uncertainty

In: RECENT ADVANCES IN FINANCIAL ENGINEERING 2014 Proceedings of the TMU Finance Workshop 2014

Author

Listed:
  • Mark H.A. Davis
  • Daisuke Yoshikawa

Abstract

Utility indifference pricing is an effective method for investors to construct a strategy in an incomplete market. In fact, if an investor can trade a random endowment under the criteria shown by utility indifference pricing, they can devise financial contracts that are optimized according to their preferences. However, because it does not have the direct implication of equilibrium, the value of the random endowment given by indifference pricing is not necessarily the same as the market price. In this study, we attempt to derive the equilibrium of random endowment under the framework of indifference pricing. However, letting the utility function be of exponential type means that any trade involving random endowment will not appear in equilibrium. Thus, we show that non-zero trade in equilibrium appears by introducing uncertainty in a model, which is one of the sources of market incompleteness.

Suggested Citation

  • Mark H.A. Davis & Daisuke Yoshikawa, 2016. "An Equilibrium Approach to Indifference Pricing with Model Uncertainty," World Scientific Book Chapters, in: Masaaki Kijima & Yukio Muromachi & Takashi Shibata (ed.), RECENT ADVANCES IN FINANCIAL ENGINEERING 2014 Proceedings of the TMU Finance Workshop 2014, chapter 2, pages 29-56, World Scientific Publishing Co. Pte. Ltd..
    • Handle: RePEc:wsi:wschap:9789814730778_0002
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