Dynamic effects of trade policy

Shafaat Yar Khan

Chapter 7 in Elgar Encyclopedia of International Trade, 2026, pp 29-33 from Edward Elgar Publishing

Abstract: This entry examines the dynamic effects of trade policy, focusing on how trade flows and firm behavior adjust over time in response to policy changes and expectations. Traditional models often rely on static comparisons, missing important short-run and long-run adjustments that influence the effectiveness of trade reforms. The entry explores aggregate patterns in trade adjustment, firm-level responses to trade liberalization, and the role of sunk costs, export participation, and expectations about future policy. Special attention is given to how expected future policy—such as the expected revocation of China's MFN status in the 1990s—can influence current trade decisions. The discussion also highlights recent empirical and theoretical advances in modeling trade dynamics, including inventory management and export participation. These insights are crucial for policymakers seeking to understand the timing and magnitude of trade policy effects. Overall, dynamic frameworks provide a richer and more accurate view of the consequences of trade policy.

Keywords: Trade policy; Dynamic trade models; Firm-level Adjustment (search for similar items in EconPapers)
Date: 2026
ISBN: 9781035327492
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