Horbach, Jens and Christian Rammer (2024), Climate Change Affectedness and Innovation in Firms, Research Policy 54(1), 105122.

Rammer, Christian and Jens Horbach (2018), Energy transition in Germany and regional spill-overs: The diffusion of renewable energy in firms, Energy Policy 121, 404-414.

Horbach, Jens and Klaus Rennings (2007), Environmental Innovation: A Key Element of Ecosystem Economics, Leibniz Perspectives - Research for a Sustainable Europe Vol. 2 , 44-47.

Frondel, Manuel, Jens Horbach and Klaus Rennings (2007), End-of-pipe or cleaner production? An empirical comparison of environmental innovation decisions across OECD countries , in: Nick Johnstone 1, Edward Elgar Publishing , Cheltenham, UK, 174-212

Horbach, Jens and Christian Rammer (2024), Energy Price Shocks and Short- Time Reactions of Firms: The Case of the German Energy Crisis in 2022, ZEW Discussion Paper No. 24-075, Mannheim