We show that the celebrated Atkinson and Stiglitz (1976) result on the uniformity of the commodity tax rates when preferences are weakly separable between goods and leisure does not hold when (at least) one of the goods is produced within the household. The result is restored if preferences are...

The idea of representing choice under uncertainty as a trade-off between mean returns and some measure of risk or uncertainty is fundamental to the analysis of investment decisions. In this paper, we show that preferences can be characterized in this way, even in the absence of ob jective...

Replaced with revised version of paper 06/15/11.