Given any observed finite sequence of prices, wealth and demand choices, we characterize the relation between its underlying Slutsky matrix norm (SMN) and some popular discrete revealed preference (RP) measures of departures from rationality, such as the Afriat index. We show that testing...

This paper extends standard consumer theory to account for endogenous moral motivation. Building on cognitive dissonance theory, I show how moral values are affected by changes in prices and income. The key insight is that changes in prices and income that lead to higher consumption of an...

We extend the nonparametric 'revealed preference' methodology for analyzing collective consumption behavior (with consumption externalities and public consumption), to render it useful for empirical applications that deal with welfare-related questions. First, we provide a nonparametric...