All empirical models of earnings processes in the literature assume agood deal of homogeneity. In contrast to this we model earnings processesallowing for lots of heterogeneity between agents. We also introduce an ex-tension to the linear ARMA model that allows that the initial convergenceto the...

Characteristics models have been found to be useful in many areas of economics. However,their empirical implementation tends to rely heavily on functional form assumptions. Inthis paper we develop a revealed preference approach to characteristics models. We derivethe necessary and sufficient...