In this paper it is argued that occupational and organizational codes maximizethe correspondence between activities and easily observable characteristics atthe time of their development. Over time the codes become less relevant, leadingto the false impression that the segregation of individuals...

In this paper it is argued that the slowness of the legislativesystem implies pre-commitment of legislation for at least the periodit takes to change a law. A simple model illustrates the benefit ofthis pre-commitment.

In this paper it is argued that occupational and organizational codes maximize the correspondence between activities and easily observable characteristics at the time of their development. Over time the codes become less relevant, leading to the false impression that the segregation of...

Psychologists and sociologists usually interpret answers to happiness surveys as cardinal and comparableacross respondents (Kahneman et al. 1999). As a result, these social scientists run OLS regressionson happiness and changes in happiness. Economists, on the other hand, usually only assume...

In this paper, I consider the identification of lagged duration dependence in multiple spells without using the assumtion that there are additional regressors orthogonal to the individual effects. The non-parametric identification strategy is applied to the multiple non-employment spells of 2066...