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South Africa

2011-01-30

Modelling International Tourism Demand for Zimbabwe

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 2005.The results show that taste formation, transport costs, changes in global income and certain specific event have a significant impact on international tourism demand.

2011-01-03

On the Looting of Nations

The paper shows that unstructured lending from international credit markets can create incentives to loot the country; and an enhanced likelihood of looting causes greater political instability, and diminishes growth.

2010-07-01

Responsible Investment: A Vehicle for Environmentally Sustainable Economic Growth in South Africa

This paper explores whether any investment products or strategies in South Africa take environmental sustainability into account. By looking at how environmental, social, and governance (ESG) criteria are used in investment decision making, we found that most socially responsible investment products and responsible investment strategies largely focus on infrastructure, development, and black economic empowerment.

2010-06-30

Estimation of the Water Quality Amelioration Value of Wetlands:A Case Study of the Western Cape, South Africa

Wetlands are commonly understood to have the capacity to reduce the loads of excess nutrients, pathogens, sediments, and other contaminants generated by various activities in their catchment areas. However, quantifying these “services” is difficult and most research in this field has concentrated on artificial treatment wetlands. Understanding the value of their water treatment characteristics, as well as the other services they provide, is increasingly recognized as essential to achieving a balance between conservation and activities that degrade or replace wetlands.

2010-06-04

Behavioral Response to Plastic Bag Legislation in Botswana

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 curb the plastic bag demand. Interestingly, the legislation did not force retailers to charge for plastic bags, which they did voluntarily at different prices.

2010-05-26

Water quality amelioration value of wetlands

Wetlands play a significant role in removal of organic agricultural pollutants from rivers. A study conducted in the Western Cape, South Africa, shows that small wetlands can play a significant cumulative role in the amelioration of the quality of water emanating from their catchment areas, and that the value of this service is high enough to warrant their protection.

2009-05-19

On the Looting of Nations

The paper develops a dynamic discrete choice model of a self-interested and unchecked ruler making decisions regarding the development of a resource rich country.

2008-12-08

Modelling International Tourism Demand for Zimbabwe

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 2005. The results show that taste formation, transport costs, changes in global income and certain specific events have a significant impact on international tourism demand.

2008-10-14

Estimation of the aggregate agricultural supply response in Zimbabwe: The ARDL approach to cointegration

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 Zimbabwe. The ARDL approach to cointegration employed here gives consistent estimates of supply response in the presence of regressor endogeneity and also permits the estimation of distinct estimates of both long-run and short-run elasticities when variables are not integrated of the same order.

2008-04-30

Can the restrictive harvest period policy conserve mopane worms in Southern Africa? A bio-economic modelling approach

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 occupy agricultural land. With increasing commercialization of the worm, the management of the worm, which was hitherto organized as a common property resource, has degraded to a near open access.

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