Information and internet-based technologies have fostered new supply chain initiatives in food retailing but little research has evaluated productivity impacts. A ray-homothetic production function is estimated for supermarkets to investigate the productivity effects of key variables such as...

Replaced with revised version of paper 08/19/02.

Balancing the numerous benefits that may accrue from pesticide use on cotton, farmers face health hazards. Pesticide-induced acute symptoms significantly increased the cost of illness in a survey of 280 smallholder cotton growers in two districts of Zimbabwe. Cotton growers lost a mean of Z$180...