An assessment of effect of rice quality characteristics on market prices: a hedonic pricing model.
Banda, R. M. H.; Gunatilake, H. M.; Sartaj, I.;
Tropical Agricultural Research Year: 1999 Vol: 11 Pages: 308-323 Ref: 10 ref.
1999
บทคัดย่อ
This study assesses consumer preferences for physical quality characteristics of rice using a hedonic pricing model. A total of 194 rice samples were obtained from retail outlets in four cities in Sri Lanka (Colombo, Kurunegala, Kandy and Matara) in November 1995 and their physical characteristics were measured in a laboratory. The data were used to estimate three regression models. Head rice percentage and impurities, respectively, affect price of rice positively and negatively. Whiteness affects the price negatively only for raw rice. Length and shape affect the price only in raw rice. The highest marginal effect on price is attributed to brand name, samba, in parboiled rice. Chalkiness negatively affects the price of parboiled rice. There are significant differences in preferences for quality characteristics in parboiled and raw rice. Therefore, breeders should incorporate relevant characteristics separately for parboiled and raw rice. Certain quality characteristics are determined by posthar
vest handling and processing. Therefore, coordination between breeders and rice processors is necessary to assure quality.