Applied Mergers and Acquisitions. Robert F. Bruner
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EXHIBIT 3.7 Summary of Shareholder Return Studies for M&A: Combined Returns to Shareholders of Acquiring Firm and Target Firm
Study | Cumulative Abnormal Returns | Sample Size | Sample Period | Event Window (Days) | % Positive Returns | Notes |
---|---|---|---|---|---|---|
Halpern (1973) | +$27.35 MM | 77 | 1950–1965 | (–140,0) | N/A | Mergers. |
Langetieg (1978) | 0% | 149 | 1929–1969 | (0,60) | 46% | Mergers; uses effective date as event baseline. |
Firth (1980) | –£36.6 MM | 434 | 1969–1975 | (–20,0) | N/A | U.K. acquisitions. |
Bradley, Desai, Kim (1982) | +$17 MM | 162 | 1962–1980 | (–20,5) | N/A | Tender offers; referenced through Jensen, Ruback (1983). |
Bradley, Desai, Kim (1983) | +$33.9 MM | 161 | 1963–1980 | (–20,5) | N/A | Referenced through Weidenbaum, Vogt (1987). |
Malatesta (1983) | +$32.4 MM* | 30 | 1969–1974 | (–20,20) | N/A | Mergers. |
Varaiya (1985) | +$60.7 MM | N/A | N/A | (–60,60) | N/A | Referenced through Weidenbaum, Vogt (1987). |
Bradley, Desai, Kim (1988) | +$117 MM (7.43%)* | 236 | 1963–1984 | (–5,5) | 75% | Tender offers only; subperiod data available for 7/63–6/68, 7/68–12/80, 1/81–12/84; combined returns have not changed significantly over time. |
Lang, Stulz, Walkling (1989) | +11.3%* | 87 | 1968–1986 | (–5,5) | N/A | Tender offers only. |
Franks, Harris, Titman (1991) | +3.9%* | 399 | 1975–1984 | (–5,5) | N/A | Mergers and tender offers. |
Servaes (1991) | +3.66%* | 384 | 1972–1987 | (–1,close) | N/A | Mergers and tender offers. |
Bannerjee, Owers (1992) | +$9.95MM | 33 | 1978–1987 | (–1,0) | N/A | White knight bids. |
Healy, Palepu, Ruback (1992) | +9.1%* | 50 | 1979–1984 | (–5,5) | N/A | Largest U.S. mergers during period. |
Kaplan, Weisbach (1992) | +3.74%* | 209 | 1971–1982 | (–5,5) | 66% | Mergers and tender offers. |
Berkovitch, Narayanan (1993) | +$120 MM* | 330 | 1963–1988 | (–5,5) | 75% | Tender offers only. |
Smith, Kim (1994) | +8.88%* +3.79%* | 177 | 1980–1986 | (–5,5) (–1,0) | 79.1% 73.8% | Tender offers only. |
Leeth, Borg (2000) | +$86 MM | 53 | 1919–1930 | (–40,0) | 56.6% | In 1998 dollars. |
Mulherin (2000) |
+2.53%*
|