Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Market-Structure and the Empirical Specification of Profit Margins
AU - Conyon, Martin
AU - Machin, S
PY - 1991/2
Y1 - 1991/2
N2 - We present evidence from a panel of U.K. manufacturing industries to test the sensitivity of the margins-concentration relationship to specification changes in the dependent variable. Instrumental variable estimates demonstrate that a positive association between profit margins and concentration is contingent on how the margin is formulated.
AB - We present evidence from a panel of U.K. manufacturing industries to test the sensitivity of the margins-concentration relationship to specification changes in the dependent variable. Instrumental variable estimates demonstrate that a positive association between profit margins and concentration is contingent on how the margin is formulated.
U2 - 10.1016/0165-1765(91)90174-J
DO - 10.1016/0165-1765(91)90174-J
M3 - Journal article
VL - 35
SP - 227
EP - 231
JO - Economics Letters
JF - Economics Letters
SN - 0165-1765
IS - 2
ER -