Behavioral Rationality and Heterogeneous Expectations in Complex Economic Systems

Behavioral Rationality and Heterogeneous Expectations in Complex Economic Systems by Cars Hommes

Investigating the Rationality of Behavioral Economics in Mental Accounting by ‎Studying Laboratory Economics

The purpose of this study is to investigate the rationality of behavioral economics in mental accounting by studying laboratory economics. Undoubtedly, economic man, whose fundamental characteristic is rationality, is the starting point for economic analysis. In conventional economics, the premise of rationality is the cornerstone and the premise of all economic theories. However, critics of ec...

On the Economic Rationality of Market Participants : The Case of Expectations in the U . S . Pork Market

This study investigates the nature of price expectations in a competitive market. The approach is illustrated in an application to the U.S. pork market, which exhibits cyclical patterns and biological production lags. Pork price equations are estimated under different expectation regimes. The empirical results suggest the presence of heterogeneous price expectations among market participants. A...

Very preliminary (Please don’t cite) Heterogeneous Expectations, Market Dynamics and Social Welfare

This paper explores the extent to which the lack of rationality of economic agents has affected the economic fluctuations and the social welfare of the U.S. hog market. A group of articles has ascribed the business cycles of the hog market, observed by economists as early as the last century, mainly to the lack of rationality (cobweb expectations) of economic agents. In contrast, others, assumi...

A New Keynesian Model with Heterogeneous Expectations

This paper introduces heterogeneous expectations into a New Keynesian model. Our primary theoretical contribution is to provide an aggregation result for a model with nominal rigidities and heterogeneous bounded rationality. We incorporate bounded rationality at the individual agent level and determine restrictions on expectations operators sufficient to imply aggregate IS and AS relations of t...