While the entry and exit of firms is an important component of many economic models, measures of the importance of the associated firm turnover have been lacking. Using a specially constructed data base from the Canadian Census of Manufactures that allows firms and establishments to be followed...

This paper examines the importance of firm mobility in the Canadian manufacturing sector during the 1970s. Its asks whether turnover measures yield different information about market structure than traditional measures of concentration. Two types of mobility statistics are used. The first...

The paper reviews the substance and proposals of the Canadian Royal Commission on Corporate Concentration. Since there are indications that the federal government is about to make a fifth set of proposals since the revision process of the Combines Investigation Act began in 1968, an extensive...

Mobility statistics are direct measures of the intensity of competition; market structure indicators indirect measures. In this regard the most widely employed measure of market structure is the concentration ratio. Despite the fact that structural measures provide only proxies for the extent of...

Considerable interest in the effect of mergers in high technology industries exists because this sector is seen to be strategically important for industrial policy. This paper investigates the effect of mergers in this sector, comparing them to mergers in other industries. The effect of...