This paper uses the autoregressive distributed lag (ARDL) approach to cointegration to estimate the coefficients of the determinants of international tourism demand for Zimbabwe for the period 1998 to…

This paper evaluates the impact of credit availability on communal and commercial sector maize output in Zimbabwe. This is important given the increased use of concessionary credit for agriculture as…

This paper uses relatively recent time series techniques on data spanning over different pricing regimes to estimate the aggregate agricultural supply response to price and non-price factors in…

The effects of stake size on cooperation and punishment are investigated using a public goods experiment. The effects of stake size on cooperation and punishment are investigated using a public goods…

The value of genetic resources for R&D is placed within the framework of discussions concerning sustainability. We assess the extent to which society is able to invest now in order to prepare for…

This thesis consists of six papers, related to artifactual field experiments, conducted in South Africa. The main focus of the thesis is the effect of different forms of heterogeneity on cooperation…

Imbrasia Belina also known as the mopane worm, like other edible insects and caterpillars, is a vital source of protein to Southern African countries. The worms live and graze on mopane trees, which…

This paper analyses the impact of income inequality on public good provision in an experimental setting. A sample of secondary school students were recruited to participate in a simple linear public…

In May 2003 South Africa introduced legislation intended to decrease plastic bag litter. It combined standards and price-based economic tools in an attempt to reduce the public's demand for plastic…

This paper investigates and ranks a set of policy and technological interventions intended to reduce such health costs in the high population density areas of South Africa. The paper’s policy messages…