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Timing of the First International Mobility Restriction Introduced, Correlated with Party Ideology and Level of Democracy (EU and EFTA countries).
Source: Own Elaboration Based on Cheng et al. (2020); Coppedge et al. (2021); Hoffmeyer-Zlotnik and Rausis (2021); Lührmann et al. (2020); Piccoli et al. (2020b).
