Table 1.
Cumulative abnormal returns in different regions during crash and vaccine event window periods.
| Regions | Window | N | Crash event (Mar 11, 2020) |
Vaccine event (Nov 9, 2020) |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean | Median | t-test | Wilcoxon | Mean | Median | t-test | Wilcoxon | |||
| Asia and Oceania | [-1, +1] | 471 | −4.313% | −3.408% | −12.738*** | −12.530*** | 0.353% | 0.011% | 1.067 | 0.711 |
| Europe | [-1, +1] | 118 | −3.125% | −0.996% | −3.145*** | −2.950*** | 5.074% | 2.052% | 4.517*** | 3.868*** |
| North America | [-1, +1] | 112 | −6.269% | −3.343% | −4.130*** | −4.485*** | 4.713% | 3.842% | 3.208*** | 4.268*** |
| Other | [-1, +1] | 26 | −3.234% | −2.166% | −1.825* | −2.070** | 0.745% | −0.153% | 0.575 | −0.444 |
| Asia and Oceania | [-3, +3] | 471 | −7.103% | −5.572% | −10.021*** | −9.535*** | 0.903% | −0.088% | 1.934* | −1.174 |
| Europe | [-3, +3] | 118 | −15.405% | −12.158% | −6.752*** | −5.928*** | 6.135% | 2.025% | 3.872*** | 3.428*** |
| North America | [-3, +3] | 112 | −4.220% | −3.686% | −1.042 | −1.274 | 1.132% | 0.506% | 0.652 | 0.946 |
| Other | [-3, +3] | 26 | −9.759% | −4.540% | −2.128** | −2.172** | 1.950% | 1.405% | 1.797* | 1.765* |
| Asia and Oceania | [-5, +5] | 471 | −9.254% | −8.232% | −9.877*** | −9.112*** | 3.202% | 0.741% | 5.263*** | 4.142*** |
| Europe | [-5, +5] | 118 | −16.839% | −12.698% | −6.769*** | −5.893*** | 9.174% | 4.207% | 4.164*** | 4.027*** |
| North America | [-5, +5] | 112 | −10.192% | −7.448% | −2.054** | −2.006** | 1.387% | 2.465% | 0.554 | 1.582 |
| Other | [-5, +5] | 26 | −11.911% | −9.840% | −2.439** | −2.552** | 2.071% | 0.550% | 0.932 | 0.775 |
*, **, and *** indicate statistical significance at the 10%, 5%, and 1%, respectively.