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Assessing General and Partial Equilibrium Simulations of Doha Round Outcomes using Meta-Analysis

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Author Info
Sebastian Hess ()
Stephan von Cramon-Taubadel
Abstract

Applied general and partial equilibrium models are widely used tools for ex ante analysis of trade policy changes. However, simulation results seem to exhibit significant variation across publications, and the often criticised ‘black box’ character of applied trade models makes meaningful comparisons of simulation results very difficult. As a potential remedy, this paper presents a meta-analysis of simulation-based Doha round publications. The meta-regression explains simulated welfare changes as a function of model characteristics, base-data and policy experiments. Regression results show that a major share of the variation within the dependent variable is explained by the covariates, and estimated coefficients show plausible signs and magnitudes. However, results also reveal that many model-based studies lack systematic documentation of their experimental settings.

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Publisher Info
Paper provided by cege – Center for European, Governance and Economic Development Research, University of Goettingen (Germany). in its series cege – Center for European, Governance and Economic Development Research Discussion Papers with number 67.

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Length: 35
Date of creation: 15 Aug 2007
Date of revision:
Handle: RePEc:got:cegedp:67

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Web page: http://www.cege.uni-goettingen.de
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Related research
Keywords: Meta-analysis; Partial equilibrium; General equilibrium; Trade liberalisation; WTO; Doha;

Find related papers by JEL classification:
C00 - Mathematical and Quantitative Methods - - General - - - General
C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data
C68 - Mathematical and Quantitative Methods - - Mathematical Methods and Programming - - - Computable General Equilibrium Models
F10 - International Economics - - Trade - - - General

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