Institutional Affiliation: Hong Kong University of Science & Technology
|Beyond Balanced Growth|
with Piyabha Kongsamut, Sergio Rebelo: w6159
One of the most striking regularities of the growth process is the massive reallocation of labor from agriculture into industry and services. Balanced growth models are commonly used in macroeconomics because they are consistent with the well-known Kaldor facts about economic growth. These models are, however, inconsistent with the structural change dynamics that are a central feature of economic development. This paper discusses models with generalized balanced growth paths. These paths retain some of the key features of balanced growth but are consistent with the observed labor reallocations dynamics.
Published: Kongsamut, Piyabha, Sergio Rebelo and Danyang Xie. "Beyond Balanced Growth," Review of Economic Studies, 2001, v68(237,Oct), 869-882. citation courtesy of
|On the Optimality of Interest Rate Smoothing|
with Sergio Rebelo: w5947
This paper studies some continuous-time cash-in-advance models in which interest rate smoothing is optimal. We consider both deterministic and stochastic models. In the stochastic case we obtain two results of independent interest: (i) we study what is, to our knowledge, the only version of the neoclassical model under uncertainty that can be solved in closed form in continuous time; and (ii) we show how to characterize the competitive equilibrium of a stochastic continuous time model that cannot be computed by solving a planning problem. We also discuss the scope for monetary policy to improve welfare in an economy with a suboptimal real competitive equilibrium, focusing on the particular example of an economy with externalities.
Published: Journal of Monetary Economics, Vol. 43, no. 2 (April 1999): 263-282. citation courtesy of