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We conducted a systematic review on the effects of land tenure recognition interventions on agricultural productivity, income, investment and other relevant outcomes. We synthesise findings from 20 quantitative studies and nine qualitative studies that passed a methodological screening. The results indicate substantial productivity and income gains from land tenure recognition, although gains differ markedly by region. We find that these effects may operate through gains in perceived tenure security and investment; we find no evidence for a credit mechanism. The qualitative synthesis highlights potential adverse effects. A conclusion emphasises the need for further research on inter-regional differences and on the role of customary tenure arrangements.
