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Game theoretic translation of historical incentive architectures into modern circular sanitation contracts and commons governance in Vietnam and pre industrial England

Year: 2026
Type: article
Abstract: Modern sanitation engineering has achieved profound public health gains but at the cost of breaking the nutrient cycle, resulting in linear "flush-and-forget" systems that cause eutrophication and resource depletion. Pre-industrial cities sustained circular nutrient economies for centuries through decentralized, self-enforcing institutions. While historical technologies carried pathogen risks, their underlying incentive architectures offer design insights for closing today's nutrient loop. This paper introduces a Historical Incentive Translation Framework that uses game theory to convert documented historical institutional rules into parameterized, testable blueprints for modern circular sanitation. We focus on two complementary strategic archetypes: common-pool resource (CPR) management, analyzed through Vietnam's double-vault composting (DVC) tradition, and principal–agent moral hazard, analyzed through England's gong farmer contracts. Formal models identify the precise incentive conditions under which cooperation was sustained: exclusion rights, monitoring, and graduated sanctions in communal latrines, and verifiable delivery receipts in collection contracts. A Monte Carlo numerical illustration, calibrated with plausible cost ranges, shows that a receipt-based payment contract can achieve full compliance under idealized verification conditions across a wide parameter space, whereas status-quo payment structures produce substantially lower compliance (approximately 21% in the numerical illustration) under the same conditions. We acknowledge that these results are conditional on the maintained assumptions of the models and serve as a proof-of-concept illustration rather than empirical validation. By decoupling historical incentive logic from historical technologies and re-embedding it within modern safety-compliant treatment systems, the framework yields two actionable design instruments: (1) verified-delivery contracts for desludging operators and (2) community governance charters for shared composting facilities. The results suggest that historical incentive architectures, when rigorously translated and embedded within WHO-compliant safety protocols, can inform the design of sanitation systems that are both safe and circular.
DOI: 10.1007/s43621-026-04799-x
Language: English
Open Access status: gold
Estimated APC paid: $1,390
OpenAlex ID: W7219636343
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