Blundell, Richard; Low, Hamish; Preston, Ian - 2008
-section data on income and consumption. Our focus is on the detection of changes in the magnitudes of variances of permanent and … transitory risks. A new approximation to the optimal consumption growth rule is developed. Evidence from a dynamic stochastic … environment. We examine robustness to unobserved heterogeneity in consumption growth and to unobserved heterogeneity in income …