A Global Decline in Research Productivity? Evidence from China and Germany

(with P. Huenermund), Economics Letters, forthcoming.

Measuring China’s Patent Quality: Development and Validation of ISR Indices

(with E. Mueller), China Economic Review 57, 101331, 2019.

The Effect of Institutional Ownership on Firm Innovation: Evidence from Chinese Listed Firms

(with Z. Rong and X. Wu), Research Policy 46, 1533-1551, 2017.

Measuring Patent Quality in Cross-country Comparison

(with E. Mueller), Economics Letters 149, 145-147, 2016.

The Allocation and Effectiveness of China’s R&D Subsidies: Evidence from Listed Firms

Research Policy 45, 1774–1789, 2016.

China’s R&D Explosion: Analyzing Productivity Effects Across Ownership Types and Over Time

(with E. Mueller and P. Sandner), Research Policy 45, 159-176, 2016.


Decoding China’s Virus Exceptionalism: The Community-based Digital Contact Tracing in Wuhan amid Covid-19

(with Y. Wang), Revise & resubmit with R&D Management.


Effects of R&D Subsidies on Regional Economic Dynamics: Evidence from Chinese Provinces

(with J. Eberle), ZEW Discussion Paper No.19-038, 2019.

The Innovative Performance of China's National Innovation System

(with P. Sandner), Frankfurt School of Finance & Management Working Paper Series, No. 158, 2011.


Direct investment between Germany and China from an innovation policy perspective (in German)

(with N. Dürr and C. Rammer), Commission of Experts for Research and Innovation (EFI). Berlin, 2020 (contribution to the EFI Report 2020).

China's Innovation Policy – Implications for Germany (in German)

VDMA and IMPULS Foundation, Fifth Colloquium for Economic Policy: Does System Competition with China Require a New Industrial Policy?, Frankfurt am Main, 10-11, 2020.

Innovative China: New Drivers of Growth

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)

R&D Subsidies in China (in German)

(with G. Licht), German Federal Ministry of Education and Research, Sino-German Innovation Platform, Policy Briefs, Berlin, 30-37, 2015.

R&D, Patents, and Productivity

German Federal Ministry of Education and Research, Innovation in China, Vol. 10. Special Edition 08/15, Bonn, 34-35, 2015.


Chinese Champions: Patente Made in China (in German)

Technische Universität München (TUM), Munich Innovation Group. Munich, 2012.