A Theory of Long-Run International Capital Movements George H. Borts Journal of Political Economy 1964 72(4), 341-359
The Economics of Competition in the Transportation Industries. John R. Meyer , Merton J. Peck , John Stenason , Charles Zwick George H. Borts Journal of Political Economy 1960 68(2), 205-206
Increasing Returns in the Railway Industry George H. Borts Journal of Political Economy 1954 62(4), 316-333
The Transportation Industries, 1889-1946: A Study of Output, Employment, and Productivity George H. Borts; Harold Barger Econometrica 1952 20(3), 510