Some advocates of drastic greenhouse gas controls claim that the costs of global warming are underestimated and that a proper accounting of the full costs raises the specter of economic and political instability, conflict and mass migration as weak governments in developing countries with low...

The state-of-the-art British-sponsored fasttrack assessment of the global impacts of climate change, a major input to the much-heralded Stern Review on the Economics of Climate Change, indicates that through the year 2100, the contribution of climate change to human health and environmental...

For most of its existence, mankind’s wellbeing was dictated by disease, the elements and other natural factors, and the occasional conflict. Virtually everything it needed — food, fuel, clothing, medicine, transport, mechanical power — was the direct or indirect product of living nature....

1. This paper addresses the question of whether, and how much, increased carbon dioxide concentrations have benefited the biosphere and humanity by stimulating plant growth, warming the planet and increasing rainfall. 2. Empirical data confirms that the biosphere’s productivity has increased...

The precautionary principle has been invoked to justify a policy of aggressive greenhouse gas (GHG) emission controls that would go beyond "no regrets" actions to reduce global warming. However, this justification is based upon selectively applying the principle to the potential public health...

The precautionary principle has often been invoked to justify a ban on genetically modified (GM) crops. However, this justification is based upon a selective application of the principle to the potential public health and environmental benefits of such a ban, while ignoring a ban's potential...

Hayn (1995) first introduced the concept of the pooled, cross-sectional distribution of reported earnings approach to assess whether there is any evidence of earnings management. This approach was further developed by Burgstahler and Dichev (1997) and since then, a substantial volume of new...

South African companies have made great progress in improving corporate profitability since the nation became a full democracy in 1994. Using the “Cash Flow Return on Investment” (CFROI) method, the authors demonstrate that South African listed companies have been generating world‐beating...

Pathology services are increasingly recognised as key to effective healthcare delivery - underpinning diagnosis, long-term disease management and research. To the extent that pathology services affect a patient’s treatment pathway, significant healthcare costs are influenced directly by the...