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demand

Publication

Debunking the myth that a legal trade will solve the rhino horn crisis: A system dynamics model for market demand

Douglas J. Crookes & James N. Blignaut
There is considerable debate in the literature over whether or not to legalise the trade in rhino horns. Here a system dynamics model is developed that considers five components: rhino abundance, rhino demand, a price model, an income model and a supply model. The results indicate that income...
May 2015
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Publication

The Demand for Cigarettes: New Evidence from South Africa

Alfred K. Mukong & Ernest Ngeh Tingum
This paper provides an extensive analysis of the demand for cigarettes based on longitudinal data drawn from the South Africa National Income and Dynamic Study (NIDS: 2008 - 2014). We compare the results of the pooled OLS (POLS), the standard two-part model, the random and the fixed effect (RE, FE...
May 2018
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Publication

Estimation of optimal conservation fees for international park visitors in the Kgalagadi Transfrontier Park

Johane Dikgang and Edwin Muchapondwa
This paper estimates the visitation demand function for Kgalagadi Transfrontier Park (KTP) in order to determine the conservation fee to charge international tourists to maximise park revenue. International tourists account for approximately 20 percent of total number of visitors to South African...
Nov 2013
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Publication

Conservation Fees in the Kgalagadi Transfrontier Park between Botswana and South Africa in the Presence of Land Restitution

Johane Dikgang and Edwin Muchapondwa
This paper estimates the visitation demand function for Kgalagadi Transfrontier Park (KTP) in order to determine the conservation fee to charge South African residents to maximise park revenue. We conducted contingent behavior experiments at KTP and three other national parks, which we assume are...
Aug 2013
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