Bulletin of the Rubber Research Institute of Sri Lanka
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Item Optimum sample size for rubber sector socioeconomic studies(Rubber Research Institute of Sri Lanka. Agalawatta, 1998) Herath, P.H.M.U.This study indicates that the rubbersector could be divided intensively into non overlapping groups. The division is tally with the sector performances as well as the administrative structure. Therefor, stratified random sampling procedure would be employed effectively to obtain representative data of the rubber growers population for socio economic studies. The study describes the sampling procedure for the different srata.Item Some financial and economic aspects of tapping wage rate(Rubber Research Institute of Sri Lanka. Agalawatta, 1998) Herath, P.H.M.U.Item Role of credits in agricultural marketing(Rubber Research Institute of Sri Lanka. Agalawatta, 1998) Herath, P.H.M.U.The study indicates the importance of credit facilities to improve agricultural production. At present non institutianal lenders pay a major role in providing credits in agricultural production. Rural and urban level dealers act as one of the major components in non institutional lenders. Most of the present rural agricultural production is either stagnated or deterriorated due to indebtedness of the farmers to these rural and urban money/credit lenders. In some cases the market margin retained by dealers is higher than the price received by the producers. Also with an increase in producer prices, the margin retained by the dealers increases very significantly. This clearly indicates that the open market phenomena is being obstructed by rural and urban level money lenders. The indebtedness of the farmers reduces their bargaining power. Therefore, price level received by the farmer is being mainly decided by the dealer and not by the open market interactionsItem Simulation model. a useful technique to be developed for rubber sector(Rubber Research Institute of Sri Lanka. Agalawatta, 1994) Herath, P.H.M.U.Item Smallholder and estate level rubber growers. an economic definition(Rubber Research Institute of Sri Lanka. Agalawatta, 1994) Herath, P.H.M.U.Item Rubber latex market - some related problems(Rubber Research Institute. Agalawatta, 1999) Herath, P.H.M.U.