The Equity-Efficiency Paradox: Environmental and Social Impacts of Fourth Agricultural Revolution Technologies

Arvind Ashta

No 26-007, Working Papers CEB from ULB -- Universite Libre de Bruxelles

Abstract: The Fourth Agricultural Revolution promises to reconcile productivity with environmental sustainability through nine transformative technologies: artificial intelligence, IoT sensors, robotics, biotechnology, drones, precision irrigation, vertical farming, blockchain, and digital twins. This critical review examines both environmental impacts and socioeconomic implications through an analysis of peer-reviewed research.This review documents substantial environmental benefits such as water conservation, pesticide reductions and disease detection accuracies. However, the analysis reveals an equity-efficiency paradox: technologies delivering the greatest environmental benefits often impose the most severe social costs. Capital-intensive systems create barriers for 500 million smallholder farmers. Agricultural robotics threatens vulnerable migrant workers with displacement. Digital platforms risk reducing farmers from independent producers to dependent data subjects. Additional concerns include psychological stress from information overload, erosion of farmer-land connections, and technological lock-in restricting repair autonomy. The analysis suggests an agricultural sustainability trilemma where agriculture 4.0 technologies achieve environmental and economic goals while undermining equity, raising questions about whether all three can coexist. Corporate mega-mergers have concentrated control—the "Big Four" now control over 60% of global seed sales and agrochemicals. Large operations in wealthy nations capture benefits while smallholders, workers, and communities bear costs of exclusion, displacement, and lost autonomy. A critical finding is systematic absence of quantitative social impact data across all dimensions. I propose a research agenda emphasizing inclusive development, just transition programs, data governance reforms, and food sovereignty protections to navigate between environmental promise and social perils.

Keywords: Fourth Agricultural Revolution; Precision agriculture; Agricultural sustainability; Equity and access; Food sovereignty; Corporate consolidation; Digital agriculture; Trilemma (search for similar items in EconPapers)
JEL-codes: D63 O13 O32 O33 Q16 Q18 Q55 Q57 (search for similar items in EconPapers)
Date: 2026-06-05
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