Showing 1 - 10 of 22
L’approximation linéaire du modèle Almost Ideal Demand System (LA/AIDS) est utilisée pour estimer la demande du riz (riz local et riz importé) au Togo de 1986 à 2006. Un modèle à correction d’erreur (MCE) a été développé pour tenir compte des relations de court terme entre les...
Persistent link: https://www.econbiz.de/10009201541
To keep up with the recent trends in consumer demand for food products, an understanding of the associated customer characteristics is needed. This study identifies significant characteristics and factors of households who are likely to purchase basic household food when prices are high. The...
Persistent link: https://www.econbiz.de/10009277069
The estimation of large demand systems to investigate the patterns of consumption of households is notoriously difficult. This study develops a modified Almost Ideal Demand System model based on a flexible two-stage budgeting demand modelling framework to examine the effect of estimation...
Persistent link: https://www.econbiz.de/10005525741
The research question is to assess the contribution of migration to rural livelihoods through remittances to the migration sending rural households. The paper presents empirical findings from a household survey conducted in the Limpopo Province of South Africa in 1999/2000.The survey covering...
Persistent link: https://www.econbiz.de/10005060773
Ex ante evaluation of agricultural research for development projects has become important in recent years for priority setting, ex post impact assessment and learning about generalizability to other populations and contexts. We apply farm household and random utility modeling to baseline survey...
Persistent link: https://www.econbiz.de/10009201438
This study aims first to measure the farm specific irrigation water use efficiency (IWUE), through non parametric DEA model; and second to evaluate the potential irrigation cost reductions and identify the main factors causing variations in IWUE among the sample farms. Cross sectional data...
Persistent link: https://www.econbiz.de/10009201466
In order to explore the conditions of successful irrigation management, this study investigates the determinants of household contributions to the cleaning of irrigation channels and the availability of water. By using primary data collected in an irrigation scheme in Uganda, we find that...
Persistent link: https://www.econbiz.de/10009201477
This study is based on a panel survey interviewing 416 farmers practising conservation agriculture for at least five cropping seasons. Farmers obtained higher yields on conservation agriculture plots than on nonconservation agriculture ones. The mean maize yield on conservation agriculture was...
Persistent link: https://www.econbiz.de/10009201487
The paper aims to investigate the economies of scale of Water Users’ Associations (WUA) in Tunisia. During the last years there has been a lot of discussion in Tunisia about the optimal size of WUAs, which allows more efficient management of the water resources at the local level. In this work...
Persistent link: https://www.econbiz.de/10009201490
With increasing water scarcity, research on policy options for improved water allocation and governance becomes an urgent priority for many developing and developed countries. Evaluating institutional alternatives is however a challenging task. This article takes a comparative approach and...
Persistent link: https://www.econbiz.de/10009201492