Theses & Dissertations Open Access Effects of the increase of supermarkets on vegetable supply systems of small-scale farmers in Kenya Ismail Mohamed Ismail Maryoud Supermarkets are expanding rapidly in Africa and particularly in Kenya. As they consolidate and increase their market share, they may be large enough to exert market power and may have both negative and positive impacts on the suppliers an… RUF-35370 2013 CC BY 4.0 21 Sep 2015