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Are the economic benefits of Bt cotton sustainable? Evidence from Indian panel data

Kathage, Jonas; Qaim, Matin - Courant Research Centre PEG - 2011

While several studies have shown that genetically modified Bt cotton can benefit smallholder farmers economically, the sustainability of these effects is still unclear and debated controversially between biotechnology proponents and critics. We use unique panel data of 533 cotton farmers,...

Persistent link: https://www.econbiz.de/10009149957

The Economics of Genetically Modified Crops

Qaim, Matin - In: Annual Review of Resource Economics 1 (2009) 1, pp. 665-694

Genetically modified (GM) crops have been used commercially for more than 10 years. Available impact studies of insect-resistant and herbicide-tolerant crops show that these technologies are beneficial to farmers and consumers, producing large aggregate welfare gains as well as positive effects...

Persistent link: https://www.econbiz.de/10010823023

Are the economic benefits of Bt cotton sustainable? Evidence from Indian panel data

Kathage, Jonas; Qaim, Matin - 2011

Persistent link: https://www.econbiz.de/10010329975

Farmer Participation in Supermarket Channels, Production Technology, and Efficiency: The Case of Vegetables in Kenya

Rao, Elizaphan J. O.; Brümmer, Bernhard; Qaim, Matin - 2011

Supermarkets are gaining ground in the agri-food systems of many developing countries. While recent research has analyzed income effects in the small farm sector, impacts on productivity and efficiency have hardly been studied. We use a meta-frontier approach and combine this with propensity...

Persistent link: https://www.econbiz.de/10010330045

Seed market liberalization, hybrid maize adoption, and impacts on smallholder farmers in Tanzania

Kathage, Jonas; Qaim, Matin; Kassie, Menale; Shiferaw, … - 2012

Since the early 1990s, liberalization of the seed market in Tanzania has attracted several foreign companies that now market maize hybrids in the country. In this article, we analyze the impacts of proprietary hybrids on maize yields, production, and household living standards. We build on a...

Persistent link: https://www.econbiz.de/10010330047

Big Constraints or Small Returns? Explaining Nonadoption of Hybrid Maize in Tanzania

Kathage, Jonas; Qaim, Matin; Kassie, Menale; Shiferaw, … - 2013

Modern technologies are often not widely adopted among smallholder farmers in Sub-Saharan Africa. Several adoption constraints have been discussed in the literature, including limited access to information. Using survey data from farmers in Tanzania and the average treatment effect framework, we...

Persistent link: https://www.econbiz.de/10010330054

How to make farming and agricultural extension more nutrition-sensitive: Evidence from a randomized controlled trial in Kenya

Ogutu, Sylvester Ochieng; Fongar, Andrea; Gödecke, Theda; … - 2018

We analyze how agricultural extension can be made more effective in terms of increasing smallholder farmers' adoption …, we implemented several extension treatments and evaluated their effects on the adoption of beans that were biofortified … that effective nutrition training through agricultural extension services is possible. Providing marketing training did not …

Persistent link: https://www.econbiz.de/10011772882

Farmer-friendly delivery of veterinary services: Experimental insights from the Kenyan dairy sector

Maina, Kevin W.; Parlasca, Martin Christoph; Rao, … - 2023

Poor health conditions of livestock cause sizeable losses for many farmers in the Global South. Veterinary services, including vaccinations, could help but often fail to reach farmers under typical smallholder conditions. Here, we examine how the provision of a vaccine against East Cost Fever...

Persistent link: https://www.econbiz.de/10014471694

Transgenic crops, production risk, and agrobiodiversity

Qaim, Matin; Zilberman, David - 2014

Do transgenic crops cause agrobiodiversity erosion? We hypothesize that they increase productivity and reduce production risk and may therefore reduce farmer demand for on-farm varietal diversity, especially when only a few transgenic varieties are available. We also hypothesize that varietal...

Persistent link: https://www.econbiz.de/10010369088

Bt cotton and ecosystem impacts of pesticide reductions

Chellatan Veettil, Prakashan; Krishna, Vijesh V.; Qaim, … - 2014

This paper examines the ecosystem impacts of transgenic Bt cotton technology resulting from reduced chemical pesticide use. Employing unique panel data from smallholder farmers in central and southern India, negative environmental and health effects of pesticide use are quantified with the...

Persistent link: https://www.econbiz.de/10010427250