Smallholder farmers’ access to markets has traditionally been constrained by lack of market information. The need to facilitate farmers’ access to markets has seen the emergence of many projects that employ electronic tools in the provision of market information services (MIS). This study...

The effects of stake size on cooperation and punishment are investigated using a public goods experiment. We find that an increase in stake size does neither significantly affect cooperation nor, interestingly, the level of punishment.

We show that peer sanctioning increases cooperation in public goods experiments more in unequally endowed groups than in equally endowed groups. Punishment results in a redistribution of wealth from high to low endowment players within groups. <p>

Resource-poor rural South Africa is characterised by high human densities due to the historic settlement patterns imposed by apartheid, high levels of poverty, under-developed markets and substantially high food insecurity. This chronic food insecurity combined with climate and weather...

This study measures the link between expected health and contextual health uncertainty on sexual behaviours associated with the risk of HIV infection. We extend similar studies on the subject by focusing on contextual factors as a way of explaining individual sexual behaviour in low and high HIV...

Even though antiretroviral treatment is becoming more efficient and available, new HIV infections still occur. This is particularly the case in sub-Saharan Africa. Sexual transmission of HIV is still the main mode of transmission in sub-Saharan Africa, and multiple sex partners have been shown...

We explore the effects of announcements of future punishment opportunities in public goods games. Announcements can influence subject behaviour, through changing expectations, before the institution is implemented (adjustment effect) or after implementation (adaptation effect). Our results...