**AWARDS ISSUED PRIOR TO JANUARY 20, 2025, WERE FUNDED UNDER PREVIOUS ADMINISTRATIONS AND MAY NOT REFLECT THE PRIORITIES AND POLICIES OF THE CURRENT ADMINISTRATION.** GLOBAL AGRI-FOOD TRADE IS BESET WITH A PLETHORA OF TRADE BARRIERS, DOMESTIC SUPPORTS, AND EXPORT EXPANSION POLICIES, WHICH DISTORT TRADE, UNDERMINE COMPARATIVE ADVANTAGES, AND CAUSE ECONOMIC INEFFICIENCIES. YET, GLOBAL TRADE NEGOTIATIONS, SUCH AS THE DOHA DEVELOPMENT ROUND HAVE STALLED. UNDER THESE CIRCUMSTANCES, QUANTIFYING THE ADVERSE EFFECTS OF THESE POLICIES ON PRODUCERS, CONSUMERS, AND TAXPAYERS OF COUNTRIES INVOLVED IS IMPORTANT. SINCE US AGRICULTURE HEAVILY DEPENDS ON EXPORT MARKETS, THE RESULTS OF THESE ANALYSES WILL HIGHLIGHT POTENTIAL FOR US EXPORTS.THE OVERALL GOAL IS TO CATALOG AND QUANTIFY TARIFFS, NON-TARIFF MEASURES (NTMS), TECHNICAL BARRIERS TO TRADE (TBT), DOMESTIC SUPPORTS, AND EXPORT PROMOTION POLICIES, AND ANALYZE THE IMPACTS OF THESE POLICIES ON COMMODITY MARKETS, TRADE, AND WELFARE. THE SPECIFIC OBJECTIVE ARE TO1. DEVELOP GRAVITY TRADE MODELS FOR HIGHLY DISAGGREGATED AGRICULTURAL PRODUCTS TO ESTIMATE(I) (A) TRADE ELASTICITIES AND ELASTICITY OF SUBSTITUTION IN A NESTED CES STRUCTURE, (B) TARIFF-RATE EQUIVALENTS OF NTB AND SPS BARRIERS, AND (C) THE IMPACTS OF THE POLICIES ON BILATERAL TRADE;(II) US STATE-LEVEL TRADE TO EVALUATE THE IMPACT OF THE POLICIES ON STATE-LEVEL EXPORTS;2. INVESTIGATE THE US STATE-LEVEL IMPACTS OF THE US-CHINA TRADE WAR ON US AGRICULTURAL PRODUCERS, EXPORTERS, AND CONSUMERS, BY ACCOUNTING FOR THE DIFFERENTIAL EFFECTS OF THE DISPUTE ACROSS COMMODITIES AND STATES;3. PERFORM EX ANTE SIMULATION ANALYSIS TO EVALUATE THE EFFECTS OF THE REMOVAL OF THE POLICIES ON WORLD AGRICULTURE AND WELFARE.