KIER DISCUSSION PAPER SERIES Heterogeneous Impatience in a Continuous-Time Model
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چکیده
In a continuous-time economy with complete markets, we study how the heterogeneity in the individual consumers’ risk tolerance and impatience affects the representative consumer’s risk tolerance and impatience. We derive some formulas, which indicate that the representative consumer’s impatience decrease over time, and whether his risk tolerance increases or decreases over time depends on the sign of some weighted covariance between the individual consumers’ cautiousness (derivative of risk tolerance with respect to own consumptions) and impatience. These results are then used to show that the short rate tends to decrease over time and the market price of risk is volatile in some special cases of heterogeneous economies. JEL Classification Codes: D51, D53, D61, D81, D91, G12, G13.
منابع مشابه
Heterogeneous Impatience in a Continuous-Time Model
In a continuous-time economy with complete markets, we show how the heterogeneity in the individual consumers’ risk attitudes and impatience would affect the representative consumer’s counterparts. Specifically, our formulas tell us how his risk tolerance and impatience will change over time, and how his impatience will be affected by the changes in aggregate consumption levels. Under the assum...
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تاریخ انتشار 2009