Policymakers are increasingly relying on computable general equilibrium (CGE) models to provide economy-wide impacts of trade agreements; however, these assessments often make the simplifying assumption of complete bilateral tariff elimination. But agreements typically involve partial tariff elimination for sensitive sectors—which are often differentiated at the tariff line. As such, applying a uniform tariff reduction in a CGE sector that encompasses many products could introduce bias. We propose a tariff line approach for modelling exemptions for sensitive goods in CGE models with the aim of reducing this bias. This approach is tested for the Canada–EU trade agreement, and systematically compared to standard approaches to bilateral trade liberalisation inCGEanalysis.We find that more common approaches might systematically overestimate trade and welfare impacts by neglecting partial liberalisation in selected sectors and/or not considering substitution across tariff lines.
JAFARI Yaghoob;
HIMICS Mihaly;
BRITZ Wolfgang;
BECKMAN Jayson;
2022-03-16
WILEY
JRC120328
0008-3976 (online),
https://onlinelibrary.wiley.com/doi/full/10.1111/cjag.12271,
https://publications.jrc.ec.europa.eu/repository/handle/JRC120328,
10.1111/cjag.12271 (online),
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