NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Norman Loayza

Contact and additional information for this authorAll publicationsWorking Papers only

Working Papers

June 2010Privatization and Nationalization Cycles
with Roberto Chang, Constantino Hevia: w16126
This paper studies the cycles of nationalization and privatization in resource-rich economies. We discuss available evidence on the drivers and consequences of privatization and nationalization, review the existing literature, and present illustrative case studies. Our main contribution is then to develop a static and dynamic model of the choice between private and national regimes for the ownership of natural resources. In the model, this choice is driven by a basic equality-efficiency tradeoff: national ownership results in more redistribution of income and more equality, but undermines incentives for effort. The resolution of the tradeoff depends on external and domestic conditions that affect the value of social welfare under each regime. This allows us to characterize how external var...
October 2009Medium Term Business Cycles in Developing Countries
with Diego A. Comin, Farooq Pasha, Luis Serven: w15428
We build a two country asymmetric DSGE model with two features: (i) endogenous and slow diffusion of technologies from the developed to the developing country, and (ii) adjustment costs to investment flows. We calibrate the model to match the Mexico-U.S. trade and FDI flows. The model is able to explain the following stylized facts: (i) U.S. and Mexican output co-move more than consumption; (ii) U.S. shocks have a larger e¤ect on Mexico than in the U.S.; (iii) U.S. business cycles lead over medium term fluctuations in Mexico; (iv) Mexican consumption is more volatile than output.
November 2005Openness Can be Good for Growth: The Role of Policy Complementarities
with Roberto Chang, Linda Kaltani: w11787
This paper studies how the effect of trade openness on economic growth depends on complementary reforms that help a country take advantage of international competition. This issue is illustrated with a simple Harris-Todaro model where output gains after trade liberalization depend on the degree of labor market flexibility. In that model, trade protection may ameliorate the problem of underemployment (and underproduction) in sectors affected by labor market distortions; hence trade liberalization unambiguously increases per capita income only when labor markets are sufficiently flexible. We then present some panel evidence on how the growth effect of openness depends on a variety of structural characteristics. For this purpose, we use a non-linear growth regression specification that intera...
July 2000Country Portfolios
with Aart Kraay, Luis Serven, Jaume Ventura: w7795
How do countries hold their financial wealth? We construct a new database of countries' claims on capital located at home and abroad, and international borrowing and lending, covering 68 countries from 1966 to 1997. We find that a small amount of capital flows from rich countries to poor countries. Countries' foreign asset positions are remarkably persistent, and mostly take the form of foreign loans rather than foreign equity. To interpret these facts, we build a simple model of international capital flows that highlights the interplay between diminishing returns, production risk and sovereign risk. We show that in the presence of reasonable diminishing returns and production risk, the probability that international crises occur twice a century is enough to generate a set of country port...

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