Variable Returns To Fertilizer Use And Its Relationship To Poverty
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Variable returns to fertilizer use and its relationship to poverty
Author: Harou, Aurélie
language: en
Publisher: Intl Food Policy Res Inst
Release Date: 2014-09-29
Despite the rise of targeted input subsidy programs in Africa over the last decade, several questions remain as to whether low and variable soil fertility, frequent drought, and high fertilizer prices render fertilizer unprofitable for large subpopulations of African farmers. To examine these questions, we use large-scale, panel experimental data from maize field trials throughout Malawi to estimate the expected physical returns to fertilizer use conditional on a range of agronomic factors and weather conditions. Using these estimated returns and historical price and weather data, we simulate the expected profitability of fertilizer application over space and time. We find that the fertilizer bundles distributed under Malawis subsidy program are almost always profitable in expectation, although our results may be reasonably interpreted as upper-bound estimates among more skilled farmers given that the experimental subjects were not randomly selected.
Food safety and developing markets
To better inform donor support for public food safety interventions, this paper reviews the literature on the impact of more stringent food safety standards on developing-country markets. This literature has primarily focused on the market access and economic implications of higher standards in export markets rather than on the extensive debate around market failure and public health benefits that dominates the literature in developed countries. We find that the market access benefits from compliance with public and private food safety standards are clear, as is the market exclusion that results from noncompliance. These benefits are now well documented, with more recent evidence pointing to added benefits of poverty reduction and spillovers for health and productivity. Rigorous evidence is also found concerning the positive role of technical assistance and public or donor support. Most of the literature, however, has focused on the relatively small market for EU horticultural products, which will provide opportunities for only a fraction of developing-country producers. This narrow focus causes important gaps in the literature informing meaningful public roles in addressing food safety in developing countries. Future research should examine and rigorously evaluate alternative models for how best to support improved food safety management outside of the export channels that have been the focus of the literature thus far. Further, evaluating the impact of publicprivate approaches on reduction in enforcement costs and improving compliance through supporting industry-led efforts would better inform donor support for food safety reforms, as would research among developing-country consumers with respect to food safety reforms and public health.
Growth, Poverty and Developmental Aspects of Agriculture
Author: Ramesh Chandra Das
language: en
Publisher: Emerald Group Publishing
Release Date: 2024-11-20
This collected edition delves into diverse aspects of agricultural economics and food security across various regions.