In order to simplify the representation of a technological relationship between inputs and outputs, a production unit's technology must typically satisfy some restrictive conditions, some of them being well known in the literature. This paper presents new results for aggregating labour inputs...

This paper estimates the exporter premium in bank lending. We examine credit relationships in Germany, covering all loans of more than 1.5 million euro over the period from 2005 to 2010. Having controlled for a wide range of other firm and bank characteristics, our results indicate that...