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- W3147322451 abstract "We introduce a new measure of competition: the elasticity of a firm's profits with respect to its cost level. A higher value of this profit elasticity (PE) signals more intense competition. Using firm-level data we compare PE with the most popular competition measures such as the price cost margin (PCM). We show that PE and PCM are highly correlated on average. However, PCM tends to misrepresent the development of competition over time in markets with few firms and high concentration, i.e. in markets with high policy relevance. So, just when it is needed the most PCM fails whereas PE does not. From this we conclude that PE is a more reliable measure of competition. (This abstract was borrowed from another version of this item.) (This abstract was borrowed from another version of this item.) (This abstract was borrowed from another version of this item.)" @default.
- W3147322451 created "2021-04-13" @default.
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- W3147322451 date "2007-01-01" @default.
- W3147322451 modified "2023-09-26" @default.
- W3147322451 title "How (Not) to Measure Competition" @default.
- W3147322451 hasPublicationYear "2007" @default.
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