您好,请问fridman savage double inflection utility function的横坐标的Z是什么词的首字母?
王琛_品职助教 · 2020年10月08日
Friedman, M., and L. J. Savage. 1948. “The Utility Analysis of Choices Involving Risk. ” Journal of Political Economy, vol. 56, no. 4 (August):279–304.
Let I represent the income of a consumer unit per unit time, and U(I) the utility attached to that income if it is regarded as certain.
Measure I along the horizontal axis of a graph and U along the vertical
Let z be a random variable