Utility functions
Utility functions
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DOI:
10.1007/978-3-319-77821-1_9
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发表时间:
2007
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影响因子:
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通讯作者:
R. Jarrow
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文献类型:
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作者:
R. Jarrow
This chapter studies an investor’s utility function. We start with a normalized marketwhere the money market account’s (mma’s) value isBt= 1 for allt≥ 0. We let the probability measure correspond to the trader’s beliefs. We discuss differential beliefs in Sect. 9.8 below. In addition, we let the information filtration given above correspond to the trader’s information set. When we study the notion of an equilibrium in Part III of this book, we will introduce a distinction between the trader’s beliefs and the statistical probability measure, and a distinction between the trader’s information set and the information within a market.