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International travel in times of the COVID-19 pandemic: The case of German school breaks()
The COVID-19 pandemic has triggered severe global restrictions on international travel with the intention of limiting the spread of SARS-CoV-2 across countries. This paper studies the causal effect of the partial relaxation of these travel restrictions in Europe on the COVID-19 incidence in Germany...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Elsevier B.V.
2022
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8692975/ https://www.ncbi.nlm.nih.gov/pubmed/34953361 http://dx.doi.org/10.1016/j.ehb.2021.101090 |