The so-called excess-entry theorem (Mankiw and Whinston 1986, Suzumura and Kiyono, 1987) establishes conditions guaranteeing that more firms enter a homogeneous Cournotoligopoly in equilibrium than a benevolent government prefers. We generalise the approach and analyse the behaviour of a...

Applying a framework of perfect competition under uncertainty, we contribute to the discussion of whether or not ad valorem taxes and specific taxes are equivalent. While this equivalence holds without price uncertainty, we show that ad valorem taxes and specific taxes are "almost never"...

We investigate the relationship between co-determination at the plant level and paid vacation in Germany. From a legal perspective, works councils have no impact on vacation entitlements, but they can affect their use. Employing data from the German Socio-Economic Panel (SOEP), we find that male...

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...