Journal publications

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Fiscal Illusion at the Local Sphere: An Empirical Test of the Flypaper Effect using South African Municipal Data

Hammed Amusa, Robert Mabunda and Ramos Mabugu

Despite South Africa’s relatively decentralized governance and administrative structure, an important feature of the country’s intergovernmental fiscal relations system is the gap that exists between the expenditure responsibilities of sub-national authorities and their assigned revenue bases. The...

Jun 2008
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Tax evasion and financial repression: A reconsideration using endogenous growth models

Rangan Gupta and Emmanuel Ziramba

Using two dynamic monetary general equilibrium models characterized by endogenous growth, financial repression and endogenously determined tax evasion, we analyze whether financial repression can be explained by tax evasion. When calibrated to four Southern European economies, we show that higher...

May 2008
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Income Inequality, Reciprocity and Public Good Provision: An Experimental Analysis Begging the Question: Permanent Income and Social Mobility

Andre Hofmeyr, Justine Burns and Martine Visser

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 goods game where income heterogeneity was introduced by providing participants with unequal token...

May 2008
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Publication

Providing Economic Incentives for Biodiversity Conservation in an Emerging Bioregional Context

Edwin Muchapondwa, Harry Biggs, Amanda Driver, Frank Matose, Kevin Moore, Eric Mungatana and Kelly Scheepers

This paper starts from the now widely-held premise that biodiversity conservation ought to take place both inside and outside protected areas if biodiversity targets are to be met. Given the potential inter-linkages of areas inside and outside protected areas in ecosystems, the ultimate structure...

Apr 2008
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Orphanhood and Schooling in South Africa: Trends in the vulnerability of orphans between 1993 and 2005

Cally Ardington

Using 11 nationally representative surveys conducted between 1993 and 2005 this paper assesses the extent to which the vulnerability of orphans to poorer educational outcomes has changed over time as the AIDS crisis deepens in South Africa. This paper seeks to establish whether the fear that...

Mar 2008
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Publication

A parsimonious model of subjective life expectancy

Alexander Ludwig and Alexander Zimper

This paper develops a theoretical model for the formation of subjective beliefs on individual survival expectations. Data from the Health and Retirement Study (HRS) indicate that, on average, young respondents underestimate their true survival probability whereas old respondents overestimate their...

Feb 2008
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Measuring the welfare cost of inflation in South Africa

Rangan Gupta and Josine Uwilingiye

In this paper, we estimate the long-run equilibrium relationship between money balance as a ratio of income and the Treasury bill rate for the period of 1965:02 to 2007:01, and, in turn, use the relationship to obtain welfare cost estimates of inflation. Using the Johansen (1991, 1995) technique,...

Feb 2008
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Using Fractionalization Indexes: deriving methodological principles for growth studies from time series evidence

J. W. Fedderke; J.M. Luiz and R.H. J. de Kadt

Recent cross country growth studies have found that ethnolinguistic fractionalization is an important explanatory variable of long-run growth performance. This paper highlights some limitations of cross country studies by focusing on the time series evidence for South Africa. In presenting...

Jan 2008
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Publication

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

Wisdom Akpalu, Edwin Muchapondwa & Precious Zikhali

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...

Oct 2007
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Publication

Is there evidence of a wage penalty to female part-time employment in South Africa?

Dorrit Posel and Colette Muller

In this paper, we investigate female part-time employment in South Africa. Using household survey data for South Africa from 1995 to 2004, we show that women are over-represented in part-time employment, and that the growth in part-time work has been an important feature of the feminisation of the...

Oct 2007
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