This study uses the Box-Cox (BC) transformations to examine nonlinearity in price modeling and compare results from several functional specifications in hedonic price analysis of yam in Togo. Based on a sample of 6,402 observations on price and produce characteristics generated through a market...

Household characteristics are commonly used to explain variation in smallholder efficiency levels. The underlying assumption is that differences in intended behavior are well described by such variables, while there is no a priori reason that this is the case. Moreover, heterogeneity in farmer...

While it is widely recognized that agricultural research is a key driver of broad-based technological change in agriculture that benefits the poor in many different ways, little is known about its aggregate impacts on productivity growth and poverty reduction in sub-Saharan Africa (SSA). Using a...

Le présent article vise à analyser les facteurs déterminant la préférence des consommateurs et leur consentement à payer pour bénéficier des attributs du riz local et du riz importé. Le modèle de prix hédonique a été utilisé pour déterminer les prix marginaux implicites des...

Contrairement aux cultures de rente et vivrières pour lesquelles l’Etat a mis en place un minimum de politique, des moyens de production et de distribution de semences améliorées, les cultures maraîchères n’ont pas bénéficié d’un appui substantiel sur ce plan. L’objectif de cette...

Intensifying inland valley systems will require the promotion of high value commodity chain system involving rice and vegetable with increased productivity and low per unit cost of production and natural resources. The objective aim to identify the current production systems assesses their...

Vegetable plays important roles in the socio-economic development in West Africa. It contributes to insuring food security, provides raw materials for local industries, generates foreign exchange and provides employment and incomes for most of the population. However some health hazards are...