ZEW Discussion Papers

The Internet is receiving increasing attention as a medium for technology transfer between public research and the enterprise sector. Based on a survey of public research units in natural sciences and…

Within the framework of Monte Carlo experiments, this paper systematically compares different versions of the simulated z-test (using the GHK simulator) in one and multiperiod multinomial probit models. One…

The Eastern European Associates (EEA) have committed to reduce greenhouse gas emissions according to their targets set in the Kyoto Protocol. Furthermore since 1993 trade liberalization has taken place between…

We examine the impact of technological product advantages, prior international experience of the management, firm size and age, country differences, and sunk costs as determinants of the timing of international…

This paper investigates if significant differences exist between online and paper & pencil participants in a quarterly business survey in the German business-related services sector when respondents may freely…

Delegates from 180 countries met in Bonn during July 2001 to substantiate the Kyoto Protocol signed in 1997 which imposes limits for greenhouse gases on industrialized countries. After the withdrawal of the…

This paper analyzes the link between the diusion of information- and communication technology (ICT) and both the skill structure and employment expectations of the dierent skill categories. The analysis is…

Labor market participation rates of West German females hav risen during the last decades,whereas participation rates of males hav declined or remained stable. Nevertheless,differences in aggregate gender…

This paper analyses the determinants of employment reactions induced by environmental innovations. On the basis of the parameter estimates of the Multinomial Logit and of several Multinomial Probit Models, we…