ZEW Discussion Papers

Consumption based equivalence scales are estimated by applying the extended partially linear model (EPLM) to the 1998 German Income and Consumption Survey (EVS). In this model the equivalence scales are…

Child labour has always been one of the core concerns of the International Labour Organisation (ILO). In this paper, we investigate whether ILO conventions have contributed to reducing the scale of the problem.…

Recent research suggests that the power law is one of the most universal laws in nature and it also seems to work quite fine in economics and finance. In this paper we show that the power law explains extremely…

This paper studies the impact of equity considerations on the stability of international agreements between heterogeneous countries. We show that allowing countries to finance abatement projects in developing…

As the innovation process of pharmaceuticals is a long, risky and very costly business, economists typically emphasise lack of profit incentives and small market size as the most important obstacles to…

We investigate the importance of “what”-flexibility on top of “where”- and “when”-flexibility for alternative emission control schemes that prescribe long-term temperature targets and eventually impose…

In this paper we assess the impact of flexible work time schedules on firm efficiency using representative establishment data for Germany. Following the approach by Battese and Coelli (1995), we estimate a…

In dieser Studie werden die Wirkungen von Arbeitsbeschaffungsmaßnahmen (ABM) in Deutschland auf die individuellen Eingliederungswahrscheinlichkeiten der Teilnehmer in reguläre Beschäftigung evaluiert. Für die…

We implement an endogeneous switching-regression model for labour productivity and firms' decision to use business-to-business (B2B)e-commerce. Our approach allows B2B usage to affect any parameter of the labour…