International commitments to reduce emissions must be negotiated between countries in a manner considered to be fair or equitable. While the burden-sharing principles commonly advocated in climate negotiations reflect different views of what constitutes a fair way to distribute the abatement...

Climate change mitigation presents us with a social dilemma: while mitigation benefits everyone, individuals lack the incentive to alter their behaviour, since they can reap its benefits while failing to reduce their own emissions. Using a 'public good' experiment with a climate change framing,...

The illegal exploitation of wild abalone in South Africa has been escalating since 1994, despite increased enforcement, leading to collapse in some sections of its range. South Africa banned all wild abalone fishing in 2008 but controversially reopened the fishery in 2010. This paper formulates...

The effects of stake size on cooperation and punishment are investigated using a public goods experiment. We find that an increase in stake size does neither significantly affect cooperation nor the level of punishment.

Policy makers in many countries have perceived plastic-bag litter as a problem, and have used a variety of regulatory tools to address it. South Africa's current legislation on plastic-bags came into effect on 7 May 2003. It increased the thickness of the plastic used, charged a small levy and...