1. Railroad Costs and Competition: The Implications of Introducing Competition to Railroad Networks;J D Bitzan;Journal of Transport Economics and Policy,2003
2. Productivity Growth and Some of its Determinants in the Deregulated US Railroad Industry;J D Bitzan;Southern Economic Journal,2003
3. Economies of Density and Regulatory Change in the US Railroad Freight Industry;J D Bitzan;Journal of Law and Economics,2007