1. Innovation in large and small firms: An empirical analysis;Acs;The American Economic Review,1988
2. Micro level determinants of small firms innovation;Adeyeye;Innovation and Development,2016
3. Diffusion of rural innovation: Some analytical issues and the case of wood burning stoves;Agarwal;World Development,1983
4. Competition and innovation: Does the distance to the technology frontier matter?;Alder,2010
5. Economic welfare and the allocation of resources for inventions;Arrow,1962