Demand heterogeneity often makes it profitable for firms to price and promote goods and services differently in different market segments. When private consumption brings public benefits, this same heterogeneity can be used to target public subsidies. We explore the design of public–private...

Although there is ample evidence of differences in how and where men and women acquire information, most research on learning and household decisionmaking only considers access to information for a single, typically male, household head. This assumption may be problematic in developing-country...

Technology-driven gains in agricultural productivity and profitability can dramatically improve quality of life for the rural poor in developing countries. Extension efforts to disseminate agricultural technologies typically assume that farmers learn from early adopters who catalyze the...