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Swiss Journal of Economics and Statistics
Fig. 3 | Swiss Journal of Economics and Statistics

Fig. 3

From: The effect of a strict facial-mask policy on the spread of COVID-19 in Switzerland during the early phase of the pandemic

Fig. 3

Point estimators and \(95\%\)-confidence intervals (\(CI_{95\%}\)) for the direct effect of the strict facial-mask policy variable (facial.mask) on the estimated effective reproductive number (r) or the approximate weekly growth rate in supposed new infections (growth.new.cases) for different modeling approaches (described in Sect. 4): the fixed-effects approach (FE), a debiased variant of the fixed-effects approach (DFE), and a random-effects approach (RE). For FE and DFE, we construct seven different confidence intervals reflecting different assumptions on the dependencies in the data, as described in Sect. 4 and Appendix C

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