Significant numbers of employees work more hours in the workplace than their contract stipulates. Such overtime work can either be paid or unpaid. This research considers overtime working in Germany and the UK and shows that the quantitative significance of both paid and unpaid overtime is...

Donations and unpaid working are two important forms of non-market activities that are usually considered separately in the literature. The purpose of this paper is to empirically test hypotheses on determinants of giving to organizations. In particular, the importance of voluntary work for...