Professor Diebold’s main areas of research and publications lie within the fields of constitutional economic law, international economic relations law, public economic law and competition law.

Current research topics

• Price discrimination - legal limits and the limits of law (slide presentation)
• The Cassis de Dijon principle in practice and politics (with Martin Ludin)
• De minimus exceptions for hardcore restrictions in antitrust law (with Cyrill Schäke)
• Textbook on public procurement law (with Martin Ludin and Adam Arend)
• Textbook on public economic and competition law (with Bernhard Rütsche)
• Infrastructure law