Any demand equation satisfying Lau’s (1982) Fundamental Theorem of Exact Aggregation and 0° homogeneity in prices and income will have a Gorman (1981) functional form for each income term. This property does not depend on symmetry or adding up. The implications of this result are illustrated...

We report results from a multi-period game designed to stimulate feelings of envy. There are a number of important features of our game that distinguish it from previous games used to examine envy. A unique and important feature of our design is that it addresses the two negative effects of...

Models of social preferences (i.e. inequality aversion), assuming society is defined by a hierarchy based on income or wealth, predict that the poor envy the rich. Reference Group Theory predicts that the poor (rich) envy others from the same social group or class. We report results from a game...

We report results from a multi-period game designed to stimulate anti-social preferences and to measure the cost of to a society with members who act on these preferences. There are a number of important features of our game that, while individually not unique, in total distinguish it from...

Adverse Health mobility is a statistical measure of inter-temporal fluctuations in health of a group of individuals. Increased availability of panel data has led to a number of studies which analyse and compare health mobility across subgroups. Mobility can differ systematically across patient...