Evolution of Profit Persistence in the US: Evidence from four 20-years periods

Vienna Economics Papers from University of Vienna, Department of Economics

Abstract: The present study analyzes and compares profit persistence in four different samples of US companies during the periods 1950-72, 1960-80, 1970-90 and 1980-99. While most of the previous studies perform profit persistence analysis on survivors only, the present setup allows for companies to enter and exit the analyzed sample, thus giving a more comprehensive depiction of the US economy during this half of the century. The results point towards an increase of competition after the opening of the US economy to international competition in the 60-80's, nevertheless the speed seems to have decreased in the most recent period. Key determinants of profit persistence seem to be firm's size, industry- and firm growth, and firm growth, and in the most recent period industry concentration, market share, and the company's merger activity.

JEL-codes: L10 (search for similar items in EconPapers)
Date: 2004-09
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