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The effects of presentation formats in choice experiments

Genius Murwirapachena and Johane Dikgang

Although stated-preference surveys take various forms, the use of either text or visuals to represent attributes is uncontroversial, and they remain the commonly used formats. While prior research has investigated the impact of these commonly used formats in other disciplines, little is known about...

Oct 2019
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South African attitudes about nuclear power: The case of the nuclear energy expansion

Nomsa Phindile Nkosi and Johane Dikgang

The objective of our study is to investigate households’ attitudes and willingness to pay (WTP) for the proposed second nuclear power plant in South Africa. Traditional analysis of such data has tended to ignore zero WTP values. A spike model which explicitly accounts for zero WTP is employed. We...

Jan 2018
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Public Infrastructure Provision and Ethnic Favouritism: Evidence from South Africa

Leone Walters, Manoel Bittencourt and Carolyn Chisadza

Does ethnic favouritism in administrative governments affect public infrastructure provision? While previous literature has studied the effects of ethnic favouritism on economic growth and development determinants, there has been limited empirical evidence on ethnic favouritism in public...

Jul 2019
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Efficiency of South African water utilities: a double bootstrap DEA analysis

Celiwe Samkange, Jugal Mahabir and Johane Dikgang

Although the efficiency of the water sector has been studied extensively utilising data envelopment analysis (DEA), the literature tends to use the conventional DEA model to compute efficiency scores. However, conventional DEA input/output data may contain random errors, which may result in...

Sep 2019
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The Comfort of the Future: The Role of Social Norms in Constructing the Ideal towards Sustainability – A Randomised Field Experiment

Idahosa, Love O, Marwa, Nyankomo and Akotey, Joseph O

In light of the high energy consumption associated with Heating Ventilation and Air Conditioning (HVAC) in tourism accommodation establishments, as well as the concern for guests’ satisfaction which limits the environmental actions of these establishments, this study tests the hypothesis that...

Jul 2018
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Group identity in fairness decisions: discrimination or inequality aversion?

Carolyn Chisadza, Nicky Nicholls, Eleni Yitbarek

This paper investigates issues of decision time and race in distributive fairness decisions in South Africa. We conduct a dictator game where we gather data on transfer amounts and time taken for decisions, where dictators are paired with a series of partners with whom they either share or do not...

Sep 2020
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Understanding the behaviour of house prices and household income per capita in South Africa: Application of the asymmetric autoregressive distributed lag model

Anthanasius Fomum Tita and Pieter Opperman

Homeownership by the lower and middle-income households is crucial to create wealth, particularly for South Africa with high levels of economic and wealth inequality. However, scholarship has paid little attention to how income affects the affordable housing market segment despite its systemic...

Mar 2021
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The time-varying elasticity of South African electricity demand: 1980–2018

Kabelo Masike, Cobus Vermeulen

This study estimates the price and income elasticity coefficients of domestic South African electricity demand for the period 1980 to 2018, considering both the aggregate economy as well as the mining sector in isolation. South African electricity prices were falling in real terms between 1983–2005...

Nov 2020
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Household debt and consumption dynamics: A non-developed world view following the ﬁnancial crisis

Adél Bosch, Matthew Clance and Steven F. Koch

According to recent macroeconomic evidence (Bosch and Koch 2020b; Farrell and Kemp 2020), the global ﬁnancial crisis is still impacting the South African ﬁnancial landscape more than 10 years later. In an eﬀort to better understand the eﬀect of the ﬁnancial crisis, we examine household debt...

Jul 2021
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Measuring energy poverty in South Africa based on householdrequired energy consumption

Yuxiang Yeú and Steven F. Koch

Energy poverty is a major concern in most of developing countries while its measurement has not been fully addressed due to the complexity of energy basic needs estimation. This study contributes to the literature by measuring energy poverty with focus on household required energy consumption using...

Dec 2020
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