Hypothesis testing in event studies: The case of variance changes
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- repec:bla:joares:v:6:y:1968:i::p:67-92 is not listed on IDEAS
- Cowan, Arnold Richard, 1993. "Tests for cumulative abnormal returns over long periods: Simulation evidence," International Review of Financial Analysis, Elsevier, vol. 2(1), pages 51-68.