Energy security, emissions control and environmental concerns are some of the issues that drive India to search for bio-fuels in general and bio-diesel in particular as an alternative source of energy. The inception of National Biofuel Mission in 2003 has resulted in expansion of jatropha...

There is limited knowledge about the valuation of reduced transport time variability for freight transports. This paper analyses a Swedish grocery company’s transports by shuttle train, as a case study. The distribution of the train arrival time is analyzed; it is shown that the 10 per cent...

The advantages and disadvantages of genetic modification of organisms in agriculture are reviewed. These relate to the environment, human health, socio-economic effects, population growth, and differential consequences for developed and developing countries. An overall evaluation requires that...

Wetlands all over the world have been lost or are threatened in spite of various international agreements and national policies. This is caused by: (1) the public nature of many wetlands products and services; (2) user externalities imposed on other stakeholders; and (3) policy intervention...

Unreliable travel times cause substantial costs to travelers. Nevertheless, they are not taken into account in many cost-benefit-analyses (CBA), or only in very rough ways. This paper aims at providing simple rules on how variability can be predicted, based on travel time data from Dutch...

An expected utility based cost-benefit analysis is in general fragile to its distributional assumptions. We derive necessary and sufficient conditions on the utility function of the expected utility model to avoid this. The conditions ensure that expected (marginal) utility remains finite also...

In the country, sea cucumbers are exploited almost exclusively for export. It is harvested in three ways; commercial fishing, artisanal fishing and gleaning. These methods provide disproportionate economic benefits to these players in the supply chain. In this study, sea ranching, a new culture...

Low back problems are emerging as important work-related health disorders especially among computer office workers with substantial cost. The most prominent feature, of these conditions, is low back pain (LBP).The present study was designed to investigate low back problems among office workers...

The Agulhas Plain is a low-lying coastal area within the Cape Floristic Region classified as one of the six plant kingdoms of the world. The area is heavily invaded by alien vegetation that infringes upon the sustainable supply of ecosystem goods and services provided by the native fynbos...