In panel data econometrics the Hausman test is of central importance to select an e±cient estimator of the models' slope parameters. When testing the null hypothesis of no correlation between unobserved heterogeneity and observable explanatory variables by means of the Hausman test model...

This note provides evidence for the relationship between income comparisons and subjective well-being (SWB), using novel German data on self-reported comparison intensity and perceived relative income for seven reference groups. We find negative correlations between comparison intensity and SWB...

Economists often interpret absenteeism as an indicator of effort. Using data from the German Socio-Economic Panel (SOEP) study, this paper offers a comprehensive discussion of this view by analysing various forms of job mobility. The evidence reveals a significantly negative (positive) link...

We investigate whether working time is related to the intensity of income comparisons and relative income. Our simple theoretical model demonstrates that the effects of relative income concerns depend on whether an individual can choose contractual working hours and/or overtime. In the empirical...