摘要: Relationships between deforestation and population pressure, income growth, insecure property rights are examined with data from 120 countries. Insecure hypothesized to arise two sources: government instability or inability enforce ownership an absence of accountability. The former source is captured by measures general lawlessness such as guerrilla warfare, revolution, frequent constitutional change. latter proxied variables indicating the type executive, frequency political purges, existence elected legislature. General support indicated for hypothesis effects growth.