boone, jan; van Ours, Jan; van der Wiel, H.P. - Tilburg University, Center for Economic Research - 2007
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 competi- tion. 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 …