Introduction -- Product Innovation, Credit Constraints, and Trade Credit: Evidence from a Cross-Country Study -- Product Innovation and Trade Credit Demand and Supply: Evidence from European Countries -- Temporary Agency Work and Firm Competitiveness: Evidence from German manufacturing firms --...

Summary Boone (2008a) proposes a new competition measure based on Relative Profit Differences (RPD) that, from its theoretical properties, proves to be more robust than the Lerner-Index. However, the proof of the empirical practicability and robustness of the Boone-Indicator is missing. To fill...

Research usually finds a positive size-efficiency relationship, but few studies focus on sectors dominated by small and medium-sized firms (SMEs). This paper fills this gap by analyzing this relationship in the German mechanical engineering industry sector, which is both successful and...

Boone (2008a) proposes a new competition measure based on Relative Profit Differences (RPD) that, from its theoretical properties, proves to be more robust than the Lerner-Index. However, the proof of the empirical practicability and robustness of the Boone-Indicator is missing. To fill this...