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Valuing groundwater recharge through agricultural production in the Hadejia-Nguru wetlands in northern Nigeria
Acharya, Gayatri; Barbier, Edward B. - In: Agricultural Economics of Agricultural Economists 22 (2000) 3
This study applies a production function approach to value the groundwater recharge function of the Hadejia-Nguru wetlands in northern Nigeria. The groundwater recharge function supports dry season agricultural production which is dependent on groundwater abstraction for irrigation. Using survey...
Persistent link: https://www.econbiz.de/10011069355
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Institutional effects on changes in Chinese foodgrain production and its variability
Wan, Guang H. - In: Agricultural Economics of Agricultural Economists 06 (1992) 3
By applying variance decomposition technique to the regional data from China, this paper discusses possible impact on Chinese foodgrain production and its variations created by institutional changes, including imposition of procurement quota and the introduction of the agricultural production...
Persistent link: https://www.econbiz.de/10010911510
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Forward: Returns to investment in plant genetic resource conservation and crop improvement research
In: Agricultural Economics of Agricultural Economists 29 (2003) 3
Persistent link: https://www.econbiz.de/10010911389
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The extent of resource use inefficiencies in cotton production in Pakistan's Punjab: an application of Data Envelopment Analysis
Shafiq, Muhammad; Rehman, Tahir - In: Agricultural Economics of Agricultural Economists 22 (2000) 3
This paper attempts to identify sources of resource use inefficiency for cotton production in Pakistan's Punjab. The use of a non-parametric method, Data Envelopment Analysis (DEA), is developed to study the relative technical and allocative efficiencies of individual farms which use similar...
Persistent link: https://www.econbiz.de/10011069254
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Determinants of farmers' indigenous soil and water conservation investments in semi -arid India
Pender, John L.; Kerr, John M. - In: Agricultural Economics of Agricultural Economists 19 (1998) 1-2
-arid tropics of India. A simple theoretical model is used to develop hypotheses about the determinants of investment under … alternative factor market conditions, and these are tested using data on conservation investment from three villages. We find that … conservation investment is significantly lower on leased land in two of the study villages and lower on plots that are subject to …
Persistent link: https://www.econbiz.de/10011069420
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Institutional Reform of Marketing and Related Services to Agriculture, With Particular Reference to Africa
Abbott, John C. - In: Agricultural Economics of Agricultural Economists 01 (1987) 2
Over the decades to 1980 agricultural marketing and input supply systems came increasingly under official monopolies. Dissatisfaction with the incentives offerred to producers and with the costs to governments has sparked interest in reform. Practicable ways of introducing more competition and...
Persistent link: https://www.econbiz.de/10010911270
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The performance of Botswana's traditional arable agriculture: growth rates and the impact of the accelerated rainfed arable programme (ARAP)
Seleka, Tebogo B. - In: Agricultural Economics of Agricultural Economists 20 (1999) 2
. Moreover, the results reveal loss of productivity in the sub-sector over time. Therefore, the challenge facing policy makers is …
Persistent link: https://www.econbiz.de/10011069291
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Structures and processes required for research, higher education and technology transfer in the agricultural sciences: a policy appraisal
Whittemore, C.T. - In: Agricultural Economics of Agricultural Economists 19 (1998) 3
Evidence is forwarded of a will for rationalisation of higher education, research and technology transfer processes; but the actions which have taken place in all three structures have, in contrast, produced irrationality and inefficiency. Tertiary education institutions are proposed as the...
Persistent link: https://www.econbiz.de/10011069330
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Principles of Dynamic Optimization in Resource Management
Kennedy, John O. S. - In: Agricultural Economics of Agricultural Economists 02 (1988) 1
The type of resource problem amenable to static analysis is distinguished from that requiring dynamic analysis. Possibly due to the apparent complexity of optimal control theory methods, often dynamic models have not been applied where they would be appropriate. In this article dynamic...
Persistent link: https://www.econbiz.de/10010879485
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Resource supplies and changing world agricultural comparative advantage
Tobey, James A.; Chomo, G.V. - In: Agricultural Economics of Agricultural Economists 10 (1994) 3
This paper advances consideration of the Heckscher-Ohlin (H-0) theory of comparative advantage to agriculture in a dynamic setting. The dynamic relationship among trade flows, resource supplies, and factor contents is studied. The view that special circumstances in the agricultural sector render...
Persistent link: https://www.econbiz.de/10010879527