Job creation and improved consumer health through commercialisation of tiger nut yoghurt: a willingness to pay analysis

Camillus Abawiera Wongnaa1, Faizal Adams1, Richard Kwasi Bannor2, Dadson Awunyo‐Vitor1, Isaac Mahama1, Bismark Afoakwa Osei1, Yaw Owusu-Ansah1, Angelina Ackon1
1Department of Agricultural Economics, Agribusiness and Extension, Kwame Nkrumah University of Science and Technology, Private Mail Bag, University Post Office, Kumasi, Ghana
2Department of Agricultural Economics, Agribusiness and Extension, University of Energy and Natural Resources, Sunyani, Ghana

Tóm tắt

Từ khóa


Tài liệu tham khảo

Adalja, A., Hanson, J., & Towe, C. (2017). An examination of consumer willingness to pay for local products. Agricultural and Resource Economics Review, 44, 253–274.

Adebajo, L. O. (1993). Survey of aflatoxins and ochratoxin a in stored tubers of Cyperus esculentus L. Mycopathologia, 124(1), 41–46.

Adejuyitan, J. A. (2011). Tiger nut processing: its food uses and health benefits. American Journal of Food Technology, 6(3), 197–201.

Adu, E., Acheampong, J. O., Agyapomaa, L. A., Ackun, P. A., & Asimeng, A. A. (2015). Consumer’s perception and willingness to pay for sweet potato yoghurt (potagurt). Unpublished undergraduate thesis, Kwame Nkrumah University of Science and Technology, 2015.

Arafat, S. M., Gaafar, A. M., Basuny, A. M., & Nassef, S. L. (2009). Chufa tubers (Cyperus esculentus L.): As a new source of food. World Applied Sciences Journal, 7(2), 151–156.

Asante, B. O., Villano, R. A., Patrick, I. W., & Battese, G. E. (2018). Determinants of farm diversification in integrated crop–livestock farming systems in Ghana. Renewable Agriculture and Food Systems, 33(2), 131–149.

Balogh, P., Békési, D., Gorton, M., Popp, J., & Lengyel, P. (2016). Consumer willingness to pay for traditional food products. Food Policy, 61, 176–184. https://doi.org/10.1016/j.foodpol.2016.03.005 .

Banka, M., Aidoo, R., Abaidoo, R., Fialor, S., & Masso, C. (2018). Willingness to pay for biofertilizers among grain legume farmers in northern Ghana. Journal of Scientific Research and Reports, 19(1), 1–13. https://doi.org/10.9734/jsrr/2018/40457 .

Bankole, S. A., & Adebanjo, A. (2003). Mycotoxins in food in West Africa: current situation and possibilities of controlling it. African Journal of Biotechnology, 2(9), 254–263.

Bannor, R. K., & Dhaka, S. (2015). Integration of cluster beans markets in Rajasthan state of India. Economic Affairs, 60(3), 529–538.

Bärnighausen, T., Liu, Y., Zhang, X., & Sauerborn, R. (2007). Willingness to pay for social health insurance among informal sector workers in Wuhan, China: a contingent valuation study. BMC Health Services Research, 7(1), 114.

Basarir, A., Sayili, M., & Muhammad, S. (2009). Analyzing producers’ willingness to pay for high quality irrigation water. Bulgarian Journal of Agricultural Science, 15(6), 566–573.

Bee, T. S., & Selamat, J. (2010). Consumers ’ perceptions , attitudes and willingness to pay towards food products with “ no added Msg ” labeling. International Journal of Marketing Studies, 2(1), 65–77.

Cameron, T. A., & James, M. D. (1987). Efficient estimation methods for “closed-ended” contingent valuation surveys. The Review of Economics and Statistics, 269–276.

Carson, R.T., and Hanemann, W.M. (2005). Contingent valuation, in Maler, K.G., Vincent, J.R., ed., Handbook of Environmental Economics. Valuing Environmental changes. Amsterdam: 2:821–936.

Desvousges, W. H., Johnson, R., Dunford, R., Boyle, K., Hudson, S., & Wilson, N. (1992). Measuring nonuse damages using contingent valuation: An experimental evaluation of accuracy (Vol. 1992). Research Triangle Park: Research Triangle Institute.

Dolgopolova, I., & Teuber, R. (2016). Consumers’ willingness-to-pay for healthy attributes in food products: a meta-analysis. In Agricultural & applied economics association annual meeting.

Donaldson, C., Jones, A. M., Mapp, T. J., & Olson, J. A. (1998). Limited dependent variables in willingness to pay studies: applications in health care. Applied Economics, 30(5), 667–677.

Fang, P. (2015). Evaluating consumer response to labels and packaging in the market for baby foods. Kilts booth marketing series, paper No. 1–047. Marketing Data Center at the Chicago Booth Kilts Center for Marketing.

Gil, J. M., & Soler, F. (2006). Knowledge and willingness to pay for organic food in Spain: Evidence from experimental auctions. Acta Agriculturae Scand Section C, 3(3–4), 109–124.

Greene, W. H. (2005). Econometric analysis. New York: Pearson Education.

GSS. (2012). 2010 population and housing census: summary report of final results. A Publication of the Ghana Statistical Service.

Hanemann, W. M. (1989). Welfare evaluations in contingent valuation experiments with discrete response data: reply. American Journal of Agricultural Economics, 71(4), 1057–1061.

Kampman, E., Giovannucci, E., van’t Veer, P., Rimm, E., Stampfer, M. J., Colditz, G. A., & Willett, W. C. (1994). Calcium, vitamin D, dairy foods, and the occurrence of colorectal adenomas among men and women in two prospective studies. American Journal of Epidemiology, 139(1), 16–29.

Katchova, A. L., & Miranda, M. J. (2004). Two-step econometric estimation of farm characteristics affecting marketing contract decisions. American Journal of Agricultural Economics, 86(1), 88–102.

Kumasi Metropolitan Assembly (KMA). (2013). Development plan Kumasi metropolitan area. Kumasi: Kumasi Metropolitan Assembly.

Kurth, A., Weaver, M., Lockhart, D., & Bielinski, L. (2004). The benefit of health insurance coverage of contraceptives in a population-based sample. American Journal of Public Health, 94(8), 1330–1332.

Loureiro, M. L., & McCluskey, J. J. (2000). Consumer preferences and willingness to pay for food labeling: A discussion of empirical studies. Journal of Food Distribution Research, 34(3), 95–102.

Mäler, K. G., & Vincent, J. R. (Eds.). (2003). Handbook of environmental economics: valuing environmental changes (Vol. 2). Elsevier.

Mason, D. (2008). Tiger nuts (online). UK: National Vegetable Society Retrieved on the, 5, 12, 2016.

McFadden, D. (1994). Contingent valuation and social choice. American Journal of Agricultural Economics, 76(4), 689–708.

Meng, T., Florkowski, W. J., Sarpong, D. B., & Chinnan, M. S. (2014). Consumer ’ s food shopping choice in Ghana: supermarket or traditional outlets ? International Food and Agribusiness Management Review, 17, 107–129.

Miedzybrodzka, Z., Semper, J., Shackley, P., Abdalla, M., & Donaldson, C. (1995). Stepwise or couple antenatal carrier screening for cystic fibrosis?: women's preferences and willingness to pay. Journal of Medical Genetics, 32(4), 282–283.

Moore, B. (2004). In B. Moore (Ed.), The Australian Oxford dictionary. Melbourne: Oxford University Press.

Mordi, J. I., Okafor, J. N. C., Ozumba, A. U., Solomon, H. M., & Olatunji, O. (2006). Contaminants and defects in Nigerian tiger-nut varieties. Tropical Science, 46(3), 141–142.

Noor, J., Siddiqi, W., and Muhammad, T. (2010). Estimation of willingness to pay for improvements in drinking water quality in Lahore: a case study of WASA, Lahore. Online at http://mpra.ub.uni-muenchen.de/53763/ . MPRA Paper No. 53763, posted 19. February 2014 14:24 UTC.

O’Brien, B., & Viramontes, J. L. (1994). Willingness to pay: a valid and reliable measure of health state preference? Medical Decision Making, 14(3), 289–297.

Pascual, B., Maroto, J. V., López-Galarza, S., Sanbautista, A., & Alagarda, J. (2000). Chufa (Cyperus esculentus L. var. sativus Boeck.): an unconventional crop. Studies related to applications and cultivation. Economic Botany, 54(4), 439–448.

Pascual-Seva, N., San Bautista, A., López-Galarza, S., Maroto, J. V., & Pascual, B. (2016). Response of drip-irrigated chufa (Cyperus esculentus L. var. sativus Boeck.) to different planting configurations: Yield and irrigation water-use efficiency. Agricultural Water Management, 170, 140–147.

Plants, F. T. F. (1988). A resource book for promoting the exploitation and consumption of food plants in Arid, semi arid and Sub humid Lands of Eastern Africa. Food and nutrition paper, 4–2.

Reaves, D. W., Kramer, R. A., & Holmes, T. P. (1999). Does question format matter? Valuing an endangered species. Environmental and Resource Economics, 14(3), 365–383.

Rheinländer, T., Olsen, M., Bakang, J. A., Takyi, H., Konradsen, F., & Samuelsen, H. (2008). Keeping up appearances: perceptions of street food safety in urban Kumasi, Ghana. Journal of Urban Health, 85(6), 952–964.

Sanful, R. E. (2009). The use of tiger-nut (Cyperus esculentus), cow milk and their composite as substrates for yoghurt production. Pakistan Journal of Nutrition, 6, 755–758.

Shikhov, V. N., Velichko, V. V., Nesterenko, T. V., & Tikhomirov, A. A. (2011). Ontogenetic approach to assessment of chufa response to culture conditions by the method of chlorophyll fluorescence induction. Russian Journal of Plant Physiology, 58(2), 359–363.

Straub, M. O., & Thomassin, P. J. (2006). Product attributes and consumer willingness to pay for environmental management systems in agriculture: Using the choice modeling technique. Cell, 202, 459–8001.

Tetteh, J. P., & Ofori, E. (1998). A baseline survey of tiger nut (Cyperus esculentus) production in the Kwahu South District of Ghana. Ghana Journal of Agricultural Science, 31(2), 211–216.

TTSL. (2005). Tiger nuts. Chufas. Souchet. Ermandeln. PoisSucrés: Tiger nuts Traders, S.L. Export. http://www.tigernuts.com/product3.html/ .

Ukwuru, M. U., & Ogbodo, A. C. (2011). Effect of processing treatment on the quality of tigernut milk. Pakistan Journal of Nutrition, 10(1), 95–100.

Wiredu, A. N., Zeller, M., & Diagne, A. (2015). What determines adoption of fertilizers among rice-producing households in northern Ghana. Quarterly Journal of International Agriculture, 54(3), 263–283.

Yahaya, I., Yamoah, F. A., & Adams, F. (2015). Consumer motivation and willingness to pay for “safer” vegetables in Ghana. British Food Journal, 117(3), 1043–1065.

Yamane, T. (1967). Elementary sampling theory (Vol. 1, pp. 371–390). Englewood Cliffs: Prentice Inc.

Yasunaga, H., Ide, H., Imamura, T., & Ohe, K. (2006). Willingness to pay for health care services in common cold, retinal detachment, and myocardiac infarction: an internet survey in Japan. BMC Health Services Research, 6(1), 12.

Yeboah, K. (2014). Tiger nuts: are they worth chewing? Graphic Ghana, Accra. Accessed on 8 July 2018. Available at https://www.graphic.com.gh/features/features/tiger-nuts-are-they-worth-chewing.html

Zhang. (1996). Yellow nut-sedge as a fuel. Industrial Crops and Products, 5, 117–181.