Search Results - subject:"dynamic count data"

From less promising to green? Technological opportunities and their role in (green) ICT innovation

Cecere, Grazia; Rexhäuser, Sascha; Schulte, Patrick - 2015

count data estimation models applying General Methods of Moments estimators. Our results support our hypotheses: firms … Office with firm-level data from the German Innovation Panel (Mannheim Innovation Panel). The results are based on dynamic …

Persistent link: https://www.econbiz.de/10011438380

From less promising to green? : technological opportunities and their role in (green) ICT innovation

Cecere, Grazia; Rexhäuser, Sascha; Schulte, Patrick - 2015

Persistent link: https://www.econbiz.de/10011436068

From less promising to green? : technological opportunities and their role in (green) ICT innovation

Cecere, Grazia; Rexhäuser, Sascha; Schulte, Patrick - In: Economics of innovation and new technology 28 (2019) 1, pp. 45-63

Persistent link: https://www.econbiz.de/10012200066

Invention in energy technologies: Comparing energy efficiency and renewable energy inventions at the firm level

Rexhäuser, Sascha; Löschel, Andreas - 2014

relation between conventional (i.e. non-energy) invention and energy invention within the firms. The results from dynamic count … data models point to a stimulating effect of conventional inventions for energy efficiency technologies but have no effect …

Persistent link: https://www.econbiz.de/10010368110

The Dynamic Skellam Model with Applications

Koopman, Siem Jan; Lit, Rutger; Lucas, André - 2014

We introduce a dynamic statistical model for Skellam distributed random variables. The Skellam distribution can be obtained by taking differences between two Poisson distributed random variables. We treat cases where observations are measured over time and where possible serial correlation is...

Persistent link: https://www.econbiz.de/10010377185