Your search found 5 records
1 Hailegiorgis, D. S.; Hagos, Fitsum. 2016. Structure and performance of vegetable marketing in East Shoa Zone, Oromia Region, Ethiopia. Journal of Marketing and Consumer Research, 26:7-16.
Marketing channels ; Wholesale marketing ; Vegetables ; Performance testing ; Wholesale prices ; Profitability ; Retail marketing ; Retail prices ; Agricultural production ; Agricultural prices ; Smallholders ; Farmers ; Consumers ; Trade / Ethiopia / Oromia Region / East Shoa Zone
(Location: IWMI HQ Call no: e-copy only Record No: H047764)
http://iiste.org/Journals/index.php/JMCR/article/download/32249/33138
https://vlibrary.iwmi.org/pdf/H047764.pdf
https://vlibrary.iwmi.org/pdf/H047764.pdf
Analysis of marketing performance of vegetable plays an important role in an ongoing or future market development plan. The study primarily examines market structure of major actors and assessing the market performance for key vegetable marketing actors and channels by quantifying costs and profit margins. The data was generated by household survey using pre-tested structured questionnaires. This was supplemented by secondary data collected from different published and unpublished sources. The study result shows that the total gross marketing margin was 30% with producer participation margin of 70% implying higher marketing margin of smallholder producers. The market intermediaries incurred different marketing costs such as costs of packing, sorting, transportation, loading and unloading. Central wholesalers obtain relatively highest profit in channel numbered II and III, which amounted to Birr 204,827 and 58,675, respectively. The study result signifies that the first four largest volumes of vegetable purchased by first four big traders (CR4) constitute 50% of market share, which indicates the market structure for vegetable is strongly oligopolistic. OLS regression results also revealed that there are economies of scale for wholesalers at Meki market, which clearly indicates the presence of barrier to entry/exit for wholesalers in the market. Policy implications drawn from the study indicate that changing oligopolistic market structure, capacitating unions to supply inputs and outputs and supporting actors involved in local vegetable markets.
2 McNicholl, D.; McRobie, A.; Cruickshank, H. 2017. Characteristics of stakeholder networks supporting local government performance improvements in rural water supply: sases from Ghana, Malawi, and Bolivia. Water Alternatives, 10(2):541-561.
Local government ; Public services ; Performance testing ; Rural areas ; Water supply ; Stakeholders ; Institutional development ; Case studies / Ghana / Bolivia / Malawi
(Location: IWMI HQ Call no: e-copy only Record No: H048170)
http://www.water-alternatives.org/index.php/alldoc/articles/vol10/v10issue2/369-a10-2-19/file
https://vlibrary.iwmi.org/pdf/H048170.pdf
https://vlibrary.iwmi.org/pdf/H048170.pdf
(1.69 MB)
A study of local governments in Ghana, Malawi, and Bolivia applies social network analysis to identify characteristics of stakeholder networks supporting performance improvements in these institutions. Seven local governments that have demonstrated performance improvements are studied. Network analysis is combined with qualitative analysis of a commentary from primary interviews with stakeholders in these networks to identify characteristics that are observable from a network perspective and perceived as important by stakeholders active in these networks. Three network characteristics are identified in multiple cases as supporting improvements in local government performance. The first network characteristic is multiple information and skill ties between a local government and other local stakeholders including communities and operators. The second network characteristic is strong information and skill ties between a local government and higher levels of sector hierarchy. The third characteristic is coordination between stakeholders at higher levels of sector hierarchy that have strong information and skill ties with a local government. Strong information and skill ties between these support providers can help them to coordinate their efforts to collaboratively support local governments. These three characteristics can be used to analyse other stakeholder networks around local governments to identify where certain relationships that might support institutional development are missing.
3 de Vries, T. T.; Anwar, Arif A.; Bhatti, Muhammad Tousif. 2017. Canal operations planner. III: minimizing inequity with delivery performance ratio relaxation. Journal of Irrigation and Drainage Engineering, 143(9):1-13. [doi: https://doi.org/10.1061/(ASCE)IR.1943-4774.0001218]
Canal construction ; Performance testing ; Performance indexes ; Irrigation systems ; Water distribution ; Equity ; Cost analysis ; Models / Pakistan
(Location: IWMI HQ Call no: e-copy only Record No: H048298)
(0.80 MB)
For many large irrigation systems, distributing water equitably is a stated management objective. Canal operations plans specify which canal to operate at what discharge for each irrigation interval to achieve the stated objective. In this study, a function of the Gini index is incorporated in to an integer program that can develop a canal operations plan. In contrast with earlier canal operations planners that minimize inequity, the operations planner presented herein does not constrain the discharge in a canal to a binary integer. Rather, the user can define an allocation cost function that in turn defines the preferred operational range of discharge over which any canal should be operated for any interval. The operations planner can also be modified to permit spillages. The model is applied to a secondary canal in Pakistan, and the sensitivity of the results to operational range and permissible spillage are explored. An engineering application of the model is presented.
4 Louviere, J. J.; Hensher, D. A.; Swait, J. D.; Adamowicz, W. 2000. Stated choice methods: analysis and applications. Cambridge, UK: Cambridge University Press. 402p.
Consumer behaviour ; Decision making ; Mathematical models ; Linear models ; Experimental design ; Project design ; Strategies ; Marketing techniques ; Transport ; Environmental modelling ; Case studies ; Statistical methods ; Estimation ; Valuation ; Performance testing
(Location: IWMI HQ Call no: 658.8342 G000 LOU Record No: H048586)
(0.45 MB)
5 Islam, M. M. M.; Sokolova, E.; Hofstra, N. 2018. Modelling of river faecal indicator bacteria dynamics as a basis for faecal contamination reduction. Journal of Hydrology, 563:1000-1008. [doi: https://doi.org/10.1016/j.jhydrol.2018.06.077]
Water quality ; Rivers ; Biological contamination ; Faecal coliforms ; Escherichia coli ; Enterococcus ; Wastewater ; Hydrodynamics ; Models ; Performance testing ; Sensitivity analysis / Bangladesh / Betna River
(Location: IWMI HQ Call no: e-copy only Record No: H048842)
https://www.sciencedirect.com/science/article/pii/S0022169418304992/pdfft?md5=0e46b4fbb1e8dfbccf7385817bd66e44&pid=1-s2.0-S0022169418304992-main.pdf
https://vlibrary.iwmi.org/pdf/H048842.pdf
https://vlibrary.iwmi.org/pdf/H048842.pdf
(1.32 MB) (1.32 MB)
To improve microbial water quality and to prevent waterborne disease outbreaks, knowledge on the fate and transport of contaminants and on the contributions from different faecal sources to the total contamination is essential. The fate and transport of faecal indicators E. coli and enterococci within the Betna River in Bangladesh were simulated using a coupled hydrodynamic and water quality model. The hydrodynamic model for the river was set up, calibrated and validated with water level and discharge in our earlier study. In this study, the hydrodynamic model was further validated using measured water temperature and salinity and coupled with the water quality module. Bacterial load data from various faecal sources were collected and used as input in the water quality model. The model output corresponded very well with the measured E. coli and enterococci concentrations in the river; the Root Mean Square Error and the Nash-Sutcliffe efficiency for Log10-transformed concentrations were found to be 0.23 (Log10 CFU/100 ml) and 0.84 for E. coli, and 0.19 (Log10 CFU/100 ml) and 0.86 for enterococci, respectively. Then, the sensitivity of the model was tested by removing one process or forcing at a time. These simulations revealed that the microbial decay, the upstream concentrations and the discharge of untreated wastewater were the primary factors controlling the concentrations in the river, while wind and the contribution from the diffuse sources (i.e. urban and agricultural runoff) were unlikely to have a major influence. Finally, the model was applied to investigate the influence of wastewater treatment on the bacteria concentrations. This revealed that wastewater treatment would result in a considerable improvement of the microbial water quality of the Betna River. This paper demonstrates the application of a comprehensive state-of-art model in a river in a data-poor tropical area. The model can potentially be applied to other watersheds and can help in formulating solutions to improve the microbial water quality.
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