The impact of the merger, Alan Hughes; take-over activity in the United Kingdom, Mervyn A.King; the market for corporate control - the divestment option, Mike Wright et al; mergers, take-overs and the enforcement of profit maximization, Dieter R.Helm; shareholder wealth effects of UK take- overs - implications for merger policy, Julian R.Franks and Robert S.Harris; the empirical analysis of market structure and performance, James A.Fairburn and Paul A.Geroski; the evolution of merger policy in Britain, James A.Fairburn; merger policy in the US, George A. Hay and Rod J.Nydam; merger policy - current policy concerns, Sir Gordon Borrie; merger policy - certainty or lottery, John Swift, QC; do we need a merger policy, Kenneth D.George; myths and merger policy, Stephen C.Littlechild. Appendix: the Commission's merger reports.