The paper analyzes the impact of an experimental maternal and child health and family-planning program that was implemented in Matlab, Bangladesh in 1977. Village data from 1974, 1982 and 1996 suggest that program villages experienced extra declines in fertility of about 17%. Household data from...

The paper analyzes 141 villages in Matlab, Bangladesh from 1974 to 1996, in which half the villages received from 1977 to 1996 a door-to-door outreach family planning and maternalchild health program. Village and individual data confirm a decline in fertility of about 15 percent in the program...

Players cooperate in experiments more than game theory would predict. In order to explain this, we introduce the 'returns-based beliefs' approach: the expected returns of a particular strategy in proportion to the total expected returns of all strategies. Using a decision analytic solution...