THE ESTIMATION OF RAIL COST-FUNCTIONS

[1] BORTS GH, J POLITICAL EC, V62

[2] JOHNSTON J, REV EC STATISTICS, V40

[3] KENDALL MG, 1946, ADV THEORY STATISTIC, P237

[4] MEYER JR, AM EC REV PAPERS P, V47, P209

[5] Smith Caleb, 1955, BUSINESS CONCENTRATI

[6] SNEDECOR GW, 1946, STAT METHODS, P318

[1] BORTS GH, J POLITICAL EC, V62

[2] JOHNSTON J, REV EC STATISTICS, V40

[3] KENDALL MG, 1946, ADV THEORY STATISTIC, P237

[4] MEYER JR, AM EC REV PAPERS P, V47, P209

[5] Smith Caleb, 1955, BUSINESS CONCENTRATI

[6] SNEDECOR GW, 1946, STAT METHODS, P318