We consider a model of moral hazard with limited liability of the agent and effort that is two-dimensional. One dimension of the agent’s effort is observable and the other is not. The principal can thusmake the contract conditional not only on outcome but also on observable effort. The...

In der Öffentlichkeit wird oft die These vertreten, daß die zunehmende Ungleichheit der Lohneinkommen ökonomisch geboten, wenn auch gesellschaftspolitisch bedenklich sei. In diesem Beitrag wird gezeigt, daß die Lohnbildung in modernen Arbeitsmärkten nicht dem Prinzip der kompensierenden...

In an influential paper Mankiw, Romer, and Weil (1992) argue that the evidence on the international disparity in levels of per capita income and rates of growth is consistent with a standard Solow model, once it has been augmented to include human capital as an accumulable factor. In a study on...

We argue that with interdependent utility functions growth can lead to a decline in total welfare of a society if the gains from growth are sufficiently unequally distributed in the presence of negative externalities, i.e., envy.

Credit rating agencies (CRAs) very often have been criticized for announcing inaccurate credit ratings and are suspected of being exposed to conflicts of interest. Despite these objections CRAs remained largely unregulated. Based on Pagano & Immordino (2007), we study the optimal regulation of...

We examine spatial convergence in biological well-being in the Habsburg Monarchy circa 1890-1910 on the basis of evidence on the physical stature of 21-year-old recruits disaggregated into 15 districts. We find that the shorter was the population in 1890 the faster its height grew thereafter....