Empirical investigations with enterprise level data from official statistics often use the averagewage as a proxy variable for the qualification of the workforce, mostly due to the lack ofdetailed information on the qualification of the employees. This paper uses unique newlyavailable data for...

This paper contributes to the literature on international firm activities and firm performance byproviding the first evidence on the link of productivity and both exports and foreign directinvestment (fdi) in services firms from a highly developed country. It uses unique new datafrom Germany -...

A recent survey of 54 micro-econometric studies reveals that exporting firms are moreproductive than non-exporters. On the other hand, previous empirical studies show thatexporting does not necessarily improve productivity. One possible reason for this result isthat most previous studies are...

Using unique recently released nationally representative high-quality data at the plant level,this paper presents the first comprehensive evidence on the relationship between productivityand size of the export market for Germany, a leading actor on the world market formanufactured goods...<br<