Berndt, Ernst; Friedlaender, Ann; Chiang, Judy; … - In: Journal of Productivity Analysis 4 (1993) 1, pp. 127-144
We attempt to disentangle the effects of deregulation on rail costs from those directly attributable to mergers and acquisitions, employing a translog variable cost function, based on an unbalanced panel data set of annual observations for major U.S. Class I railroads from 1974 to 1986. We find...