publication . Preprint . 2009

Utility Function and Optimum Consumption in the models with Habit Formation and Catching up with the Joneses

Naryshkin, Roman; Davison, Matt;
Open Access
  • Published: 20 Sep 2009
Abstract
This paper analyzes popular time-nonseparable utility functions that describe "habit formation" consumer preferences comparing current consumption with the time averaged past consumption of the same individual and "catching up with the Joneses" (CuJ) models comparing individual consumption with a cross-sectional average consumption level. Few of these models give reasonable optimum consumption time series. We introduce theoretically justified utility specifications leading to a plausible consumption behavior to show that habit formation preferences must be described by a power CRRA utility function different from the exponential CARA used for CuJ.
Subjects
free text keywords: Mathematics - Optimization and Control, Quantitative Finance - General Finance
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publication . Preprint . 2009

Utility Function and Optimum Consumption in the models with Habit Formation and Catching up with the Joneses

Naryshkin, Roman; Davison, Matt;