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Federally subsidized student loans and the economics of default
Boyd, Laura Ann, (1991)
The nature of credit constraints and human capital
Lochner, Lance, (2010)
Lochner, Lance, (2011)
Estimating the Functional Form of the Independent Variables in Probit Models
Greene, William, (1992)
The computation of test statistics for multivariate regression models in event studies
Seaks, Terry G., (1990)
The restricted least squares estimator : a pedagogical note
Greene, William, (1991)