TY - JOUR A1 - Mankiw, N. Gregory A1 - Romer, David A1 - Weil, David N. T1 - A Contribution to the Empirics of Economic Growth Y1 - 1992 DO - 10.2307/2118477 JF - The Quarterly Journal of Economics VL - 107 IS - 2 SP - 407 EP - -437 ER -