survey data from Tanzania to analyze social networks and their role for the spread of information about improved varieties of …

Tanzania and the average treatment effect framework, we question the hypothesis that limited information is an important … gap is sizeable only in the east of Tanzania, where productivity effects of hybrids are small. In the north, where …

Since the early 1990s, liberalization of the seed market in Tanzania has attracted several foreign companies that now …, production, and household living standards. We build on a recent survey of smallholder maize farmers in two zones of Tanzania …