TY - JOUR AU - Bernanke, Ben S AU - Gurkaynak, Refet S TI - Is Growth Exogenous? Taking Mankiw, Romer and Weil Seriously JF - National Bureau of Economic Research Working Paper Series VL - No. 8365 PY - 2001 Y2 - July 2001 DO - 10.3386/w8365 UR - http://www.nber.org/papers/w8365 L1 - http://www.nber.org/papers/w8365.pdf N1 - Author contact info: Ben S. Bernanke The Brookings Institution 1775 Massachusetts Avenue, NW 20036-2103 Washington, DC 20036-2103 Tel: 202-797-6000 E-Mail: bbernanke@brookings.edu Refet S. Gürkaynak Bilkent University Department of Economics 06800 Ankara, Turkey E-Mail: refet@bilkent.edu.tr M1 - published as Ben S. Bernanke, Refet S. Gürkaynak. "Is Growth Exogenous? Taking Mankiw, Romer, and Weil Seriously," in Ben S. Bernanke and Kenneth Rogoff, editors, "NBER Macroeconomics Annual 2001, Volume 16" MIT Press (2002) AB - Is long-run economic growth exogenous? To address this question, we show that the empirical framework of Mankiw, Romer, and Weil (1992) can be extended to test any growth model that admits a balanced growth path; and we use that framework both to revisit variants of the Solow growth model and to evaluate simple alternative models of endogenous growth. To allow for the possibility that economies in our sample are not on their balanced growth paths, we also study the cross-sectional behavior of TFP growth, which we estimate using alternative measures of labor's share. Our broad conclusion, based on both model estimation and growth accounting, is that long-run growth is significantly correlated with behavioral variables such as the savings rate, and that this correlation is not easily explained by models in which growth is treated as the exogenous variable. Hence, future empirical studies should focus on models that exhibit endogenous growth. ER -