1. An empirical study of environmental R&D: What encourages facilities to be environmentally innovative?;Arimura,2007
2. The Free-Market Innovation Machine—analyzing the Growth Miracle of Capitalism;Baumol,2002
3. When do firms benefit from environmental regulations? A simple microeconomic approach to the Porter controversy;Bonato;Schweizerische Zeitschrift für Volkswirtschaft und Statistik,2000
4. Firm size, small business presence and sales of innovative products: A micro-econometric analysis;Brouwer;Small Business Economics,1996
5. Determinants of environmental innovation in US manufacturing industries;Brunnermeier;Journal of Environmental Economics and Management,2003