1. Output fluctuations at the plant level;Bresnahan;Q. J. Econ.,1994
2. Christopoulou, R., Vermeulen, P., 2008. Markups in the Euro Area and the US over the Period 1981–2004: A Comparison of 50 Sectors. ECP Working Paper 856.
3. Safety margins and profit maximization in the theory of the firm;Day;J. Polit. Econ.,1971
4. Market structure and cyclical fluctuations in U.S. manufacturing;Domowitz;Rev. Econ. Stat.,1988
5. Friedman, M., 1953. The methodology of positive economics. In: Essays in Positive Economics, vol. 2. Universit of Chicago Press, Chicago, pp. 311–356.