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Lochner, Lance; Monge-Naranjo, Alexander – National Bureau of Economic Research, 2011
We review studies of the impact of credit constraints on the accumulation of human capital. Evidence suggests that credit constraints are increasingly important for schooling and other aspects of households' behavior. We highlight the importance of early childhood investments, since their response largely determines the impact of credit…
Descriptors: Human Capital, Student Loan Programs, Income, Credit (Finance)
Angrist, Joshua; Pischke, Jorn-Steffen – National Bureau of Economic Research, 2010
This essay reviews progress in empirical economics since Leamer'rs (1983) critique. Leamer highlighted the benefits of sensitivity analysis, a procedure in which researchers show how their results change with changes in specification or functional form. Sensitivity analysis has had a salutary but not a revolutionary effect on econometric practice.…
Descriptors: Research Design, Macroeconomics, Credibility, Essays
Blattman, Christopher; Miguel, Edward – National Bureau of Economic Research, 2009
Most nations have experienced an internal armed conflict since 1960. The past decade has witnessed an explosion of research into the causes and consequences of civil wars, belatedly bringing the topic into the economics mainstream. This article critically reviews this interdisciplinary literature and charts productive paths forward. Formal theory…
Descriptors: War, Literature Reviews, Interdisciplinary Approach, Economics