We investigate the effectiveness of policies in favor of innovation in renew- able energy under dierent levels of competition. Using information regarding renewable energy policies, product market regulation and high-quality green patents for OECD countries since the late 1970s, we develop a...

We investigate the conditions under which R&D investment by rival firms may be negatively or positively correlated. Using a two-stage game the influence of spillovers and product substitution is investigated. It is shown that under Cournot competition, the sign of the R&D reaction function...

This paper carries out a comprehensive analysis of renewable energy innovations considering four mechanisms suggested by innovation models: 1. policy-inducement; 2. market structure; 3. demand and social cohesion- mainly proxied by income inequality; 4. characteristics of country knowledge base....

Les réformes qui ont conduit à la libéralisation des marchés de l’énergie ont considérablement influencé le comportement d’innovation des utilités électriques dans certains pays. Aux Etats-Unis, elles ont provoqué une diminution de l’investissement en R&D environnementale de ces...

This paper examines the relationship between the characteristics of firm knowledge in terms of capital, diversity and relatedness, and productivity. Panel data regression models suggest that unlike knowledge diversity, knowledge capital and knowledge relatedness explain a substantial share of...