This study updates the annual comparative analysis of the performance and structures of the German science system. We use several bibliometric indicators of productivity and academic impact to assess Germany's performance for the period 1995-2020 compared against 22 countries and the EU13, EU14,...

This paper presents the results of a comprehensive literature review of the organization of purchasing covering the period from 1967 to 2009. The review provides a structured overview of prior research topics and findings and identifies gaps in the existing literature that may be addressed in...