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An IATP policy brief analyzes the agricultural biotechnology provisions of the USMCA, which took effect in July 2020. It argues the final text does not restrict domestic policy choices as agribusiness had hoped.
The brief frames how USMCA rules could constrain Mexico's efforts to limit GM corn, which bears on the trade flows of US corn into the largest importer. Its near-term price effect is limited.
iatp.orgSharon Anglin Treat2022年3月2日在过去 439 次中性的政策事件之后，玉米 在 5 个交易日内中位数变动 +0.1%（51% 上涨；中间一半区间为 -1.3% 至 +1.2%），20 个交易日内为 +1.1%。
各商品基准价相对事件前最后收盘价的变动。历史数据汇总同类过往事件；仅描述已发生的情况，不代表未来走势。不构成投资建议。
