justus haucap (born in quakenbrück on march 24th, 1969) is a german economist who currently works as professor of economics at the university of düsseldorf, where he directs the düsseldorf institute for competition economics (dice). the focus of his research is on competition and antitrust as well as the regulation of network industries and the digital economy. in 2015, haucap was awarded the gustav stolper prize for his contributions to competition policy in germany.