Yoto Yotov - Academia.edu (original) (raw)
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Papers by Yoto Yotov
SSRN Electronic Journal, 2020
We build on the latest developments in the structural gravity literature to quantify the partial ... more We build on the latest developments in the structural gravity literature to quantify the partial and general equilibrium effects of GATT/WTO membership on trade and welfare. Using an extensive database covering manufacturing trade for 186 countries over the period 1980-2016, we find that the average impact of GATT/WTO membership on trade among member counties is large, positive, and significant. We contribute to the literature by estimating country-specific estimates and find them to vary widely across the countries in our sample with poorer members benefitting more. Using these estimates, we simulate the general equilibrium effects of GATT/WTO on welfare, which are sizable and heterogeneous across members, and relatively small for non-member countries. We show that countries not experiencing positive trade effects from joining GATT/WTO can still gain in terms of welfare, due to beneficial terms-of-trade effects.
SSRN Electronic Journal, 2018
We propose and apply methods to quantify the impact of national institutions on international tra... more We propose and apply methods to quantify the impact of national institutions on international trade and development. We are able to identify the direct impact of country-specific institutions on international trade within the structural gravity framework. Our approach naturally addresses the prominent issue of endogenous institutions. The empirical analysis offers robust evidence that stronger institutions promote trade. A counterfactual analysis reveals that the changes in institutional quality in the poor countries in our sample between 1996 and 2006 have had, via their impact on imports from rich countries, significant and heterogeneous real GDP effects, varying between-5 and 5 percent. Our methods are readily applicable to identifying the impact of a wide range of country-specific variables on international trade.
Heart - Lung (Varna), 2012
Heart - Lung (Varna), 2016
Oxford Bulletin of Economics and Statistics, 2018
Recent work on the effects of currency unions (CUs) on trade stresses the importance of using man... more Recent work on the effects of currency unions (CUs) on trade stresses the importance of using many countries and years in order to obtain reliable estimates. However, for large samples, computational issues associated with the three-way (exporter-time, importer-time, and country-pair) fixed effects currently recommended in the gravity literature have heretofore limited the choice of estimator, leaving an important methodological gap. To address this gap, we introduce an iterative Poisson Pseudo-Maximum Likelihood (PPML) estimation procedure that facilitates the inclusion of these fixed effects for large data sets and also allows for correlated errors across countries and time. When applied to a comprehensive sample with more than 200 countries trading over 65 years, these innovations flip the conclusions of an otherwise rigorously-specified linear model. Most importantly, our estimates for both the overall CU effect and the Euro effect specifically are economically small and statistically insignificant. We also document that linear and PPML estimates of the Euro effect increasingly diverge as the sample size grows.
SSRN Electronic Journal, 2020
We build on the latest developments in the structural gravity literature to quantify the partial ... more We build on the latest developments in the structural gravity literature to quantify the partial and general equilibrium effects of GATT/WTO membership on trade and welfare. Using an extensive database covering manufacturing trade for 186 countries over the period 1980-2016, we find that the average impact of GATT/WTO membership on trade among member counties is large, positive, and significant. We contribute to the literature by estimating country-specific estimates and find them to vary widely across the countries in our sample with poorer members benefitting more. Using these estimates, we simulate the general equilibrium effects of GATT/WTO on welfare, which are sizable and heterogeneous across members, and relatively small for non-member countries. We show that countries not experiencing positive trade effects from joining GATT/WTO can still gain in terms of welfare, due to beneficial terms-of-trade effects.
SSRN Electronic Journal, 2018
We propose and apply methods to quantify the impact of national institutions on international tra... more We propose and apply methods to quantify the impact of national institutions on international trade and development. We are able to identify the direct impact of country-specific institutions on international trade within the structural gravity framework. Our approach naturally addresses the prominent issue of endogenous institutions. The empirical analysis offers robust evidence that stronger institutions promote trade. A counterfactual analysis reveals that the changes in institutional quality in the poor countries in our sample between 1996 and 2006 have had, via their impact on imports from rich countries, significant and heterogeneous real GDP effects, varying between-5 and 5 percent. Our methods are readily applicable to identifying the impact of a wide range of country-specific variables on international trade.
Heart - Lung (Varna), 2012
Heart - Lung (Varna), 2016
Oxford Bulletin of Economics and Statistics, 2018
Recent work on the effects of currency unions (CUs) on trade stresses the importance of using man... more Recent work on the effects of currency unions (CUs) on trade stresses the importance of using many countries and years in order to obtain reliable estimates. However, for large samples, computational issues associated with the three-way (exporter-time, importer-time, and country-pair) fixed effects currently recommended in the gravity literature have heretofore limited the choice of estimator, leaving an important methodological gap. To address this gap, we introduce an iterative Poisson Pseudo-Maximum Likelihood (PPML) estimation procedure that facilitates the inclusion of these fixed effects for large data sets and also allows for correlated errors across countries and time. When applied to a comprehensive sample with more than 200 countries trading over 65 years, these innovations flip the conclusions of an otherwise rigorously-specified linear model. Most importantly, our estimates for both the overall CU effect and the Euro effect specifically are economically small and statistically insignificant. We also document that linear and PPML estimates of the Euro effect increasingly diverge as the sample size grows.