This paper presents robust panel data econometric evidence suggesting that more effective competition policy curtails the exercise of market power because countries in which competition policy is judged to be more effective are characterised by lower market price-cost margins, controlling for...

For the first time, empirical estimates of concentration in the British construction sector are provided. The research adds value to published DETR/DTI data on the structure of British construction by applying a novel technique for estimating the concentration ratio proposed by McCloughan and...