We investigate three alternative but complementary indicators of market power on one of the largest online labour markets (OLMs) in Europe: (1) the elasticity of labour demand, (2) the elasticity of labour supply, and (3) the concentration of market shares. We explore how these indicators relate...

We investigate three alternative but complementary indicators of market power on one of the largest online labour markets (OLMs) in Europe: (1) the elasticity of labour demand, (2) the elasticity of labour supply, and (3) the concentration of market shares. We explore how these indicators relate...

This book is the revised version of a doctoral thesis written at the Graduiertenkolleg Law and Economics at Hamburg University. It addresses the market failure with respect to R&D for medicines for tropical diseases and the lack of access to affordable medicines in poor countries. Tropical...

We study the hybrid open access (HOA) citation effect. Under HOA Pilot agreements, HOA is assigned for all articles of eligible authors. We use unique data on 208 (1,121) HOA (closed access) economics articles. We control for the quality of journals, articles and institutions and citations to...