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Are grain markets in Niger driven by speculation?

Bonjean, Catherine Araujo; Simonet, Catherine - HAL - 2012

Over the last two decades, millet prices in Niger have enjoyed periods of spectacular increase during which they seem … to the presence of rational speculative bubbles. Considering millet as a food asset we have developed a pricing model …, and tested for the presence of periodically and partially collapsing bubbles for 15 millet markets in Niger. The test …

Persistent link: https://www.econbiz.de/10009323283

Adapting PILOTE model for water and yield management under direct seeding system: The case of corn and durum wheat in a Mediterranean context

Khaledian, M.R.; Mailhol, J.C.; Ruelle, P.; Rosique, J.L. - HAL - 2009

Crop models are useful tools for integrating knowledge of biophysical processes governing the plant-soil-atmosphere system. But few of them are easily usable for water and yield management especially under specific cropping systems such as direct seeding. Direct seeding into mulch (DSM) is an...

Persistent link: https://www.econbiz.de/10008791137

A coherent agri-energy policy to foster social inclusion for peasant families: the role of Petrobras on the João Câmara and Ceará-Mirim sites (state of Rio Grande do Norte)

Drouvot, C.M; Drouvot, H.; Perluss, P.M - HAL - 2010

This article depicts the improvement in living conditions for those families of peasants (the “landless peasants”) who have benefited from agrarian reform (termed “assentamentos” i.e. homesteads) through the creation of farming cooperatives. The farming cooperative examined herein was...

Persistent link: https://www.econbiz.de/10008790573