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Jel Classification:O47 

Working Paper
International technology Diffusion: A Gravity Approach

This paper investigates, empirically, the determinants of international technology diffusion. To do that, I set up a multi-country model of innovation and diffusion with perfect enforcement of intellectual property rights (IPR). The model yields a gravity equation for bilateral royalty payments that is estimated using methods from empirical trade. I investigate discrepancies between model’s predictions and observed royalty payments to identify the role of fundamentals vs. other factors such as imperfect IPR protection. Fundamentals account for most of the variation in royalty payments, ...
Working Papers , Paper 2019-031

Working Paper
Technological progress, the \"user cost of money,\" and the real output of banks

Financial institutions provide their customers a variety of unpriced services and cover their costs through interest margins - the interest rates they receive on assets are generally higher than the rates they pay on liabilities. In particular, banks pay below-public-market interest rates on deposits while charging above-public-market rates on loans. Various authors have suggested that this situation allows one to measure the real quantity of financial services provided without explicit prices as proportional to the real stocks of financial assets held by households. We present a ...
Working Papers , Paper 13-21

Working Paper
Uncertainty and Growth Disasters

This paper documents several stylized facts on the real effects of economic uncertainty. First, higher uncertainty is associated with a more dispersed and negatively skewed distribution of output growth. Second, the response of economic growth to an increase in uncertainty is highly nonlinear and asymmetric. Third, higher asset volatility magnifies the negative impact of uncertainty on growth. We develop and estimate an analytically tractable model in which rapid adoption of new technology may raise economic uncertainty which causes measured productivity to decline. The equilibrium growth ...
International Finance Discussion Papers , Paper 1279

Working Paper
International Technology Licensing, Intellectual Property Rights, and Tax Havens

This paper investigates the determinants of international technology licensing using data for 61 countries during 1995-2012. A multi-country model of innovation and diffusion with international technology licensing yields a structural gravity equation for royalty payments as a function of fundamentals. The gravity equation is estimated using nonlinear methods. The model’s fundamentals account for 45% of the variation in royalty payments. Other factors such as imperfect IPR protection and tax havens account for a substantial fraction of the unexplained variation. A back-of-the-envelope ...
Working Papers , Paper 2019-031

Working Paper
Tax Heterogeneity and Misallocation

Companies face different effective marginal tax rates on their income. This can be detrimental to allocative efficiency unless taxes offset other distortions in the economy. This paper estimates the effect of tax rate heterogeneity on aggregate productivity in distorted economies with multiple frictions. Using firm-level balance-sheet data and estimates of marginal tax rates, we find that tax heterogeneity reduces total factor productivity by about 3 percent. Our findings highlight the positive correlation between marginal tax rates and other distortions to capital and especially labor. This ...
Working Papers , Paper 23-33

Working Paper
Knowledge Diffusion, Trade and Innovation across Countries and Sectors

We provide a unified framework for quantifying the cross country and cross-sector interactions among trade, innovation, and knowledge diffusion. We study the effect of trade liberalization in a multi-country, multi-sector endogenous growth model in which comparative advantage and the stock of knowledge are determined by innovation and diffusion. A reduction in trade costs induces a re-allocation of comparative advantage in production and innovation across sectors, which translates into higher growth along the counterfactual balanced growth path (BGP). Heterogeneous knowledge diffusion across ...
Working Papers , Paper 2017-29

Working Paper
Education Policies and Structural Transformation

This article studies the impact of education and fertility in structural transformation and growth. In the model there are three sectors, agriculture, which uses only low-skill labor, manufacturing, that uses high-skill labor only and services, that uses both. Parents choose optimally the number of children and their skill. Educational policy has two dimensions, it may or may not allow child labor and it subsidizes education expenditures. The model is calibrated to South Korea and Brazil, and is able to reproduce some key stylized facts observed between 1960 and 2005 in these economies, such ...
Working Papers , Paper 2014-39

Working Paper
Productivity Slowdown: Reducing the Measure of Our Ignorance

Growth accounting suggests that the bulk of the post-2004 slowdown in output growth in the U.S. is attributed to a residual called TFP. In this paper we provide a tractable accounting framework with firm heterogeneity to link this residual to innovations, markup dispersion, and potential measurement errors. Theories of creative destruction offer rich testable predictions of how the quality upgrading of products, the process efficiency of different firms, and markup dispersion in the market interact and therefore constitute a key approach to shed light on the slowdown in TFP growth. Surveying ...
Working Paper Series , Paper 2021-21

Working Paper
Intellectual Property Rights, Technology Transfer and International Trade

I study the short- and long-term effects of regional trade agreements (RTA) with strict intellectual property (IP) provisions. An empirical analysis using gravity methods suggests that regions signing these agreements share more technology in the form of technology licensing following the year of enforcement. I set up a multi-country model with endogenous productivity through innovation and adoption to quantify the effect of such agreements on innovation, growth and welfare. Adopters pay royalties to innovators for the use of their technology; the model allows for various degrees of IP rights ...
Working Papers , Paper 2021-010

Journal Article
Relative Income Traps

Despite economic growth in the post-World War II period, few developing countries have been able to catch up to the income levels in the United States or other advanced economies. Such countries remain trapped at a relative low- or middle-income level. In this article, the authors redefine the concept of income traps as situations in which income levels relative to the United States remain constantly low and with no clear sign of convergence. This approach allows them to study the issue of economic convergence (or lack of it) directly. The authors describe evidence pointing to the existence ...
Review , Volume 98 , Issue 1 , Pages 41-60

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