There are a large number of cases where corruption has been discovered investigating levels of consumption that appear to be hard to justify. Yet, in the standard moral hazard model withholding of effort by the agent is not observable to the principal. We argue that this assumption has to be...

We study quot;habituationquot; to income and to status using individual panel data on the happiness of 7,812 people living in Germany from 1984 to 2000. Specifically, we estimate a quot;happiness equationquot; defined over several lags of income and status and compare the long run effects. We...

We test for whether, once "basic needs" are satisfied, there is happiness adaptation to further gains in income using three data sets. Individual German Panel Data from 1985-2000, and data on the well-being of over 600,000 people in a panel of European countries from 1975-2002, shows different...