the portfolio effects of horizontal mergers United States text Washington,DC monographic Daniel P. O'Brien and Greg Shaffer. Title from title screen(viewed on June 12, 2008). Consolidation and merger of corporations Mathematical models FT 1.37/2:266 FT 1.37/2:266 http://purl.access.gpo.gov/GPO/LPS95387 http://purl.access.gpo.gov/GPO/LPS95387 20160527184124.0 301853