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 ...

This is a preview. Log in through your library . Abstract Despite the voluminous literature on the potentials of single-sex schools, there is no consensus on the effects of single-sex schools because ...