Initiatives certifying that farms and firms adhere to predefined environmental and social welfare production standards are increasingly popular. According to proponents, they create financial…

This paper investigates the use of charges and standards in dealing with a common externality, plastic litter from shopping bags in Botswana. The country passed a plastic bag tax (effective 2007) to…

This paper evaluates the ex-post impact of adopting improved groundnut varieties on crop income and rural poverty in rural Uganda. The study utilizes cross-sectional farm household data collected in…

Land degradation is a major problem undermining land productivity in the highlands of Ethiopia. This study explores the factors that affect farm households’ decisions at the plot level to invest in…

Unique survey data from a contingent valuation study conducted in three different countries (China, Sweden, and the United States) were used to investigate the ordinary citizen’s willingness to pay…

In this paper, the relation between poverty indicators and demographic variables is explored using household survey data from two regions in Northern Tanzania (the Lake Victoria area). The empirical…

The authors looked at risk and ambiguity attitudes among Ethiopian peasants in one of the poorest regions of the world and compared their attitudes to a standard Western university student sample…

Improving soil carbon through conservation agriculture in developing countries may generate some private benefits to farmers, as well as sequester carbon emissions, which is a positive externality to…

The authors investigated attitudes toward positionality among rural farmers in northern Ethiopia, using a tailored two-part survey experiment. On average, they found positional concerns neither in…

Using a natural field experiment in a recreational site, a public good almost fully dependent on voluntary donations, the authors explored the crowding-out effect of gift rewards. First, they…