Mueller-Langer, Frank MPI for Innovation and Competition, Max Planck Society;
https://ssrn.com/abstract=3427012 (Preprint)
Gomez Herrera, E., & Mueller-Langer, F. (2019). Is There a Gender Wage Gap in Online Labor Markets? Evidence from Over 250,000 Projects and 2.5 Million Wage Bill Proposals. Max Planck Institute for Innovation & Competition Research Paper No. 19-07.