This paper shows that market concentration is positively related to outsourcing activities in a framework of Cournot competition with strategic outsourcing in a first stage. The theoretical priors are confirmed by rank correlation coefficients between the intermediate goods import intensity and...

This paper sets up an input-output system of the relevant ecosystem flows that determine the carbon cycle in the global ecosystem. Introducing energy as the value added component in the ecosystem, the flows can be expressed in "energy values". Linking the ecosystem input-output model with the...

We analyze the effectiveness of intervention in the European Monetary System by using daily data on the DEM-intervention activity of six European central banks, covering the period from August 1993 to April 1998. To test for the influence of intervention we apply EGARCH models. To allow for...

This paper assesses the impact of market power and multinationality in EU12 manufacturing industries on EU integration in goods trade in the 90ies. An increase in the market concentration exhibits a positive impact on bilateral exports, while an increase in multinationality works in the opposite...

This paper focusses on the estimation of error components models in the presence of a correlation of the disturbances across equations and AR(1) of the remainder disturbances for panel data with endogenous unobserved effects. Additionally, the set-up allows for unequally spaced panel data and...