The production and trade of cowpea is a growing business in West Africa. But a better understanding of consumer preferences is essential to market development. The objective of the study was to determine the impact of cowpea grain quality characteristics on market price. The data for the study were collected from markets in Nigeria, Ghana, and Mali. Hedonic pricing methods provide a statistical estimate of premiums and discounts. The results indicated that cowpea consumers in Ghana, Mali, and Nigeria are willing to pay a premium for large cowpea grains. Bruchid damage is not statistically significant in any market. The impact of price on other cowpea quality characteristics such as skin color and texture and eye color vary locally. Implications for development of the cowpea value chain are as follows: (a) researchers should identify cost-effective ways to increase cowpea grain size because larger grain are preferred and (b) serving local markets requires a portfolio of grain skin and eye color and skin texture combinations. [EconLit citations: Q130]. © 2009 Wiley Periodicals, Inc.

Women entrepreneurship in the informal sector, such as street food vending, is important for poverty alleviation in West Africa. The street food sector provides employment for women and inexpensive and nutritious food for the urban poor. In this paper, we determine the importance of the cowpea street food sector, evaluate the determinants of successful enterprises and ascertain the impact of economic, cultural, religious and geographic differentials between enterprises in Niamey, Niger and Kumasi, Ghana. Data were collected through in-person interviews with 114 and 122 women street food entrepreneurs in both countries in 2009. Results revealed that women entrepreneurs engaged in the cowpea street food sector can earn incomes 4 times and 16 times higher than the minimum legal wage in Niamey and Kumasi, respectively. Incomes earned from these entrepreneurial activities contribute directly to health, education and needs of their families. OLS regression results indicate that lack of financial resources, stable business locations and religious beliefs are important entrepreneurial success factors. Cross-country comparisons revealed enterprises in Kumasi are larger and more successful than those in Niamey.

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The objective of this study was to determine the impact of bean grain quality characteristics on market price. The data was collected from retail markets in Tanzania. Hedonic pricing provides a statistical estimate of premiums and discounts. Implications for development of bean markets include: i) extension agents should identify cost-effective ways to educate producers on targeting urban market niches based on consumer preferences for varieties, ii) breeding for bruchid resistant beans and use of appropriate storage technologies would alleviate the problems of storage damage, and iii) requiring a portfolio of grain quality characteristics to fit consumer preferences in local markets. .