(with J. Eberle), ZEW Discussion Paper No.19-038, 2019.
(with P. Sandner), Frankfurt School of Finance & Management Working Paper Series, No. 158, 2011.
(with E. Mueller), China Economic Review 57, 101331, 2019.
(with Z. Rong and X. Wu), Research Policy 46, 1533-1551, 2017.
(with E. Mueller), Economics Letters 149, 145-147, 2016.
Research Policy 45, 1774–1789, 2016.
(with E. Mueller and P. Sandner), Research Policy 45, 159-176, 2016.
Consultant on innovation policy for the World Bank Group; Development Research Center of the State Council, The People's Republic of China. Washington, DC, 2019. (commentary on the report by The Economist)
(with G. Licht), German Federal Ministry of Education and Research, Sino-German Innovation Platform, Policy Briefs, Berlin, 30-37, 2015.
German Federal Ministry of Education and Research, Innovation in China, Vol. 10. Special Edition 08/15, Bonn, 34-35, 2015.