1. A study of success and failure in industrial innovation;Achilladelis,1971
2. Schumpeter's evolutionary economics;Andersen,2009
3. An innovation-based strategy for a sustainable environment;Ashford,2000
4. Government and environmental innovation in Europe and North America;Ashford;The American Behavioral Scientist,2002
5. Using regulation to change the market for innovation;Ashford;Harvard Environmental Law Review,1985