We develop a model for consumption and income that allows for pervasive heterogeneity and co-dependence between the structural parameters. This provides a comprehensive unifying framework to study income and consumption dynamics jointly. We estimate a full set of structural parameters that...

The main aim of this paper is to assess the validity of the life cycle model of consumption. In particular, we address an issue that has recently received much attention, especially in the macroeconomic literature: that of "excess sensitivity" of consumption growth to income growth. We do this...