1. Production, information costs, and economic organization;Alchian;American Economic Association,1972
2. Quality of service and the demand for air travel;Anderson;Reciew of Economics and Statistics,1981
3. Complementarity and external linkage: The strategies of the large firms in biotechnology;Arora;The Journal of Industrial Economics,1990
4. Measuring rail productivity in Ireland: A comment;Barrett;The Economic and Social Review,1995