In this paper, we explore the relationship between dietary diversity and income in pastoralist households in East Africa. Previous estimates of income elasticities of nutrient demand have ranged from zero to unity. However, these estimates are always based on the total income. One possible...

We proffer a method to assess the adequacy of expected utility theory (EUT) in empirical studies involving discrete and continuous choices. The method calibrates a utility function to revealed choices and rejects EUT for absurd degrees of implied concavity over the wealth at risk. We find EUT...