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Long-Run Performance of Initial Public Offerings: The Evidence for Switzerland

  • Wolfgang Drobetz
  • Matthias Kammermann
  • Urs Wälchli

We estimate the underpricing and long-run performance of Swiss initial public offerings (IPOs) from 1983 to 2000. The average market adjusted initial return is 34.97%. To examine the long-run performance of Swiss IPOs, we compute buy-and-hold abnormal returns, skew-ness-adjusted wealth ratios, and cumulative abnormal returns using 120 months of secondary market returns. In contrast to previous findings for the U.S. and Germany, we do not find strong evidence for a distinct IPO effect. We attribute long-run underperformance to the fact that IPO firms tend to be small firms. It virtually vanishes when we use a small capitalization index as a benchmark. In spite of distinct economic implications and statistical properties, our basic results are similar for all performance measures applied.

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Article provided by LMU Munich School of Management in its journal Schmalenbach Business Review.

Volume (Year): 57 (2005)
Issue (Month): 3 (July)
Pages: 253–275

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Handle: RePEc:sbr:abstra:v:57:y:2005:i:3:p:253-275
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