Advertisements provide consumers with knowledge about private products, whereas political information is required to provide voters with knowledge of public issues. Modern information technologies and globalization are increasing the exposure of individuals to information. Goods advertising is...

The question of whether two drugs - namely alcohol and tobacco - are used as complements or substitutes is of crucial interest if side-effects of anti-smoking policies are considered. Numerous papers have empirically addressed this issue by estimating demand systems for alcohol and tobacco and...

Was the increase in income inequality in the US due to permanent shocks or merely to anincrease in the variance of transitory shocks? The implications for consumption and welfaredepend crucially on the answer to this question. We use CEX repeated cross-section data onconsumption and income to...

This paper explores how cross-sectional data can be exploited jointly with longitudinal data,in order to increase estimation efficiency while properly tackling the potential bias due tounobserved individual characteristics. We propose an innovative procedure and we show itsimplementation by...

When students themselves enjoy large degrees of freedom in determining the duration oftheir studies, it results in a fairly large degree of interindividual variance in terms of time-todegree.This paper investigates individual time-to-degree in a model where studentsdetermine the optimum...