Hydroxychloroquine, chloroquine, and remdesivir are among the drugs commonly discussed as treatments for the new viral infection, coronavirus disease 2019 (COVID-19). Previously, I described different ...
Journal of Political Economy, Vol. 118, No. 3 (June 2010), pp. 409-432 (24 pages) In primary and secondary education, measures of teacher quality are often based on contemporaneous student performance ...
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