Implications of Heterogeneity in Preferences, Beliefs and Asset Trading Technologies for the Macroeconomy

YiLi Chien, Harold Cole and Hanno Lustig

No 20328, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: This paper extends the methodology developed in Chien, Cole and Lustig (2011 & 2012) (hereafter CCL2011 and CCL2012, respectively) to analyze and compute the equilibria of economies with heterogeneous agents who have different asset trading technologies and are subject to both aggregate and idiosyncratic income risk. The different asset trading technologies, which are designed to replicate the portfolio behavior seen in the data, fall into two classes. Active traders manage the composition of their portfolios among a given set of assets in addition to choosing how much to save. Passive traders take their portfolio composition as given and choose only how much to save. There can be a wide variety of different cases within each classes. For active traders, the trading technology varies depending on the set of assets that they can use, while for passive traders it varies with the specific portfolio composition rule. In CCL2011 and CCL2012, all of our agents had to have the same CRRA flow utility functions, discount rates, and beliefs. In this extension, this restriction is relaxed greatly extending the set of economies to which our method applies. This richer degree of heterogeneity allows the model to match a number of key features of the data.

JEL-codes: E21 E44 G11 G12 (search for similar items in EconPapers)
Date: 2014-07
New Economics Papers: this item is included in nep-mac and nep-upt
Note: EFG
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Working Paper: Implications of heterogeneity in preferences, beliefs and asset trading technologies for the macroeconomy (2014)
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