Elzinga, Kenneth; Swisher, Anthony - In: International Journal of the Economics of Business 18 (2011) 1, pp. 133-146
The Elzinga-Hogarty (E-H) test for geographic market definition has been widely used by both government enforcement agencies and merging parties in hospital merger cases. However, two characteristics of hospital services markets - the Silent Majority Fallacy and the Payer Problem - may tend to...