Asset pricing and energy consumption risk

This paper proposes energy consumption in the US as a new measure for the consumption capital asset pricing model. We find that (i) industrial energy growth produces reasonable values for the relative risk aversion coefficient and the implied risk-free rate; (ii) compared to alternative consumption measures, industrial energy performs well in explaining the cross-sectional variation in stock returns with the lowest implied risk aversion and pricing errors; (iii) the industrial energy consumption risk model performs equally well as the Fama–French three-factor model in the cross-sectional asset pricing tests; and (iv) total energy consumption risk is priced in the presence of the Fama–French factor risks.     

The evolution of morality and the end of economic man

1871 saw the publication of two major treatises in economics, with self-seeking economic man at their center. In the same year Darwin published The Descent of Man, which emphasized sympathy and cooperation as well as self-interest, and contained a powerful argument that morality has evolved in humans by natural selection. Essentially this stance is supported by modern research. This paper considers the nature of morality and how it has evolved. It reconciles Darwin’s notion that a developed morality requires language and deliberation (and is thus unique to humans), with his other view that moral feelings have a long-evolved and biologically-inherited basis. The social role of morality and its difference with altruism is illustrated by an agent-based simulation. The fact that humans combine both moral and selfish dispositions has major implications for the social sciences and obliges us to abandon the pre-eminent notion of selfish economic man. Economic policy must take account of our moral nature.     

Evolutionary game theory and evolutionary economics: are they different species?

Evolutionary game theory and evolutionary economics seem to inhabit different academic spheres and have little collaboration with one another. Neither side cites much research by the other. Does this de facto academic separation impede fruitful possibilities for mutual inspiration and joint development? This paper addresses this question by considering (1) the different origins and research orientations of the two genres, (2) to what extent evolutionary economists could make use of evolutionary game theory, and (3) what evolutionary game theorists might learn from other, less formal, modes of theorising. The paper concludes that while significant possibilities for collaboration exist, the foremost test is whether they can help enhance our understanding of structures and causal processes in the real world.     

Author Index

In 1998, in response to the escalating problem of violence and its impact on all sectors of the society, the Ministry of Health (MOH), Jamaica, established a pilot violence-related injury surveillance system (VRISS) in the country's leading public hospital, the Kingston Public Hospital (KPH) situated in the nation's capital. After six months' operation, VRISS was extended to include all injuries. Nine months later, the Jamaican Injury Surveillance System (JISS) was successfully introduced to four other hospitals and has been in operation since. Extension to an additional six institutions was implemented at the end of 2001. What were the challenges faced in introducing an injury surveillance system into the Accident &; Emergency Department (A&;E) of a general hospital, how they were overcome and what were the lessons learnt in the process?     

Making tourism work for the poor: Strategies and challenges in southern Africa

This article analyses strategies for 'pro-poor tourism' (PPT), ie strategies that increase the benefits to poor people from tourism development. Based on an international review of six pro-poor tourism case studies, it outlines the wide range of pro-poor tourism strategies used and their impacts to date, with particular focus on southern African case studies. By analysing their progress, problems and the critical factors influencing them, the article identifies implications for the way forward. This review underpins four propositions. First, despite commercial constraints, much can be done to enhance the contribution of tourism to poverty reduction, and a 'PPT' perspective assists in this endeavour. Secondly, PPT strategies can, and should be, incorporated by all actors in tourism, whether in government or business, at local or policy level. Thirdly, a wide range of impacts on poor people, going well beyond jobs, need to be recognised and enhanced. Finally, PPT strategies are difficult, but particularly relevant in southern Africa given the challenges of economic and political transformation, as well as the opportunity to influence international discussions on 'sustainable tourism' at the World Summit on Sustainable Development in Johannesburg in 2002.     

Exercise test on the older patient: is it still as predictive as for the younger patient?

Exercise testing predicts both cardiac events and mortality after age 65, just as it does for younger patients. In both age groups, functional aerobic capacity itself is a potent indicator of mortality risk. In the elderly, achievement of predicted functional aerobic capacity identifies favorable mortality even in the presence of CAD and CAD risk factors.