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One of the main shortcomings of the profit persistence literature is the fact that it looks only at surviving companies. This paper uses a unique dataset to analyze profit persistence in two different stationary series: 85 surviving US companies from 1950-1999 and 72 exiters. While the exiters perform more competitive than the survivors there is still significant evidence for profit persistence in both samples. Concentration and growth of the industry as well as size and volatility of profitsdoi:10.1080/0003684042000337406 fatcat:jmrkebwayffudlol35qy2xjm6y