Christensen, Thomas Alslev and Frosch, Hanne and Boysen-Jensen, David (2014) Handbuch für Exzellente Ökonometrische Effektmessung Öffentlicher Investition in Forschung und Entwicklung. Manual. Kopenhagen.
Christensen, Thomas Alslev and Frosch, Hanne and Boysen-Jensen, David (2014) Central Innovation Manual on Excellent Econometric Evaluation of the Impact of Public R&D Investments. Manual. Kopenhagen.
Christensen, Thomas Alslev (2014) The Short-run Impact on Total Factor Productivity Growth of the Danish Innovation and Research Support System. Technical Report. Innovation: Analysis and Evaluation. Kopenhagen.