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Higher productivity in importing German manufacturing firms: self-selection, learning from importing, or both?

Vogel, Alexander; Wagner, Joachim - 2008

This paper uses a newly available comprehensive panel data set for manufacturing enterprises from 2001 to 2005 to document the first empirical results on the relationship between imports and productivity for Germany, a leading actor on the world market for goods. Furthermore, for the first time...

Persistent link: https://www.econbiz.de/10010269066

Offshoring and firm performance: self-selection, effects on performance, or both?

Wagner, Joachim - 2009

performance. Enterprises that relocated activities abroad in the period 2001-03 for the first time are compared to firms that did … performance, six different variants of a matching approach of firms that did and did not start to relocate abroad in 2001-03 were … performed based on a propensity score estimated using firm characteristics in 2000 and the change in the performance variable …

Persistent link: https://www.econbiz.de/10010269578

Robust estimation of linear fixed effects panel data models with an application to the exporter productivity premium

Verardi, Vincenzo; Wagner, Joachim - 2010

In empirical studies it often happens that some variables for some units are far away from the other observations in the sample. These extreme observations, or outliers, often have a large impact on the results of statistical analyses - conclusions based on a sample with and without these units...

Persistent link: https://www.econbiz.de/10010269751