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When asked to name one proposition in the social sciences that is both true and non-trivial, Paul Samuelson famously replied: 'Ricardo's theory of comparative advantage'. Truth, however, in Samuelson's reply refers to the fact that Ricardo's theory of comparative advantage is mathematically...
Persistent link: https://www.econbiz.de/10011227931
When food prices spike in countries with large numbers of poor people, hunger and malnutrition are very likely to … often take the form of direct interventions in the market to stabilize food prices, which goes against most international … advice to rely on safety nets and world trade. Despite the limitations of food price stabilization policies, they are …
Persistent link: https://www.econbiz.de/10010969308
We partnered with a micro‐lender in Mali to randomize credit offers at the village level. Then, in no- loan control villages, we gave cash grants to randomly selected households. These grants led to higher agricultural investments and profits, thus showing that liquidity constraints bind with...
Persistent link: https://www.econbiz.de/10010969288
The investment decisions of small‐scale farmers in developing countries are conditioned by their financial environment. Binding credit market constraints and incomplete insurance can reduce investment in activities with high expected profits. We conducted several experiments in northern Ghana...
Persistent link: https://www.econbiz.de/10010969291
increased fertilizer use has driven much of the productivity growth rather than the adoption of improvements in seeds and … fertilizer amounts and the marginal returns to fertilizer use. The results demonstrate the key changes behind this silent maize … fertilizer. …
Persistent link: https://www.econbiz.de/10009652803
Land-use changes involve important economic and environmental effects with implications for international trade, global climate change, wildlife, and other policy issues. We use an econometric model to identify factors driving land-use change in the United States between 1982 and 1997. We...
Persistent link: https://www.econbiz.de/10005084904
Tenancy has been a means for labor to advance their socio-economic condition in agriculture yet in Brazil and Latin America, tenancy rates are low compared to the U.S. and the OECD countries. We test for the importance of insecure property rights in Brazil on the reluctance of landowners to rent...
Persistent link: https://www.econbiz.de/10008631684
Many nonmarket valuation models, such as the Ricardian model, have been estimated using cross sectional methods with a single year of data. Although multiple years of data should increase the robustness of such methods, repeated cross sections suggest the results are not stable. We argue that...
Persistent link: https://www.econbiz.de/10009652846
agricultural yields and low food prices. Critical to this success has been sustained public sector investment combined with a …
Persistent link: https://www.econbiz.de/10008634635
This paper first considers the impact on world food prices of the changes in restrictions on trade in staple foods … during the 2008 world food price crisis. Those changes--reductions in import protection or increases in export restraints …, than are designed to provide social protection for the poor when international food prices spike. It also examines the …
Persistent link: https://www.econbiz.de/10010969350