Land competition and welfare effects from Mexico's proposal to ban genetically engineered corn

Jayson Beckman, Noé J. Nava, Angelica S. Williams and Steven Zahniser

American Journal of Agricultural Economics, 2024, vol. 106, issue 3, 1300-1325

Abstract: Since joining the North American Free Trade Agreement, Mexico has increased its meat production and exports and become more dependent on imported feedstuffs such as genetically engineered (GE) corn. Mexico recently banned the use of GE corn in corn‐based foods and called for a gradual substitution away from the use of GE corn for other uses (e.g., feed). This paper considers how a complete ban on GE corn might affect Mexican households using a computable general equilibrium (CGE) model to simulate the impact over the medium run (5 years). Results indicate that Mexico decreases corn imports by 76.9% and increases corn production by 65.6%—an increase that would require 3.3 million hectares more land for corn. The policy leads to a 24.8% increase in Mexico's corn price and up to a 6% increase in the prices of other agricultural products. But Mexico might have difficulty shifting land to corn; as such, we consider an alternative scenario that restricts land movements. We find that impacts are further exacerbated in this scenario—for example, corn prices triple. Our final contribution is to pair these results with a compensating variation calculation based on the almost ideal demand system. We find that Mexican households would need to spend, on average, between 6.7 and 13.9% more on food, depending on the scenario, to compensate for the resulting price escalations. Ultimately, our results show that a move toward greater food sovereignty in Mexico is ultimately borne by consumers via higher food prices.

Date: 2024
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https://doi.org/10.1111/ajae.12463

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Persistent link: https://EconPapers.repec.org/RePEc:wly:ajagec:v:106:y:2024:i:3:p:1300-1325

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