This paper develops a public education scheme that takes uncertainty aspects of private educational investments explicitly into account. In the author’s framework, the social merits of public education schemes are related to the lack of markets in which students can insure against educational...

In most macroeconomic models, the substitutability between domestic and foreign goods is calibrated using aggregated data. This imposes homogeneous elasticities across goods, and the calibration is only valid under this assumption. If elasticities are heterogeneous, the aggregate...