The extinction of polar bears by the end of the 21st century has been predicted and calls have been made to list them as a threatened species under the U.S. Endangered Species Act. The decision on whether or not to list rests upon forecasts of what will happen to the bears over the 21st Century....

Garrett Hardin’s "Tragedy of the Commons" remains one of the most frequently cited works across the spectrum of science — indeed, a visit to the website of the influential journal which published this paper in 1968 reveals that this revolutionary communique remains amongst its ‘top...

Coase 1930 endures through the decades as one of the most-cited papers in economics due to the fact that it highlights a fundamental and equally enduring problem: "Economic theory has suffered in the past from a failure to state clearly its assumptions. Economists in building up a theory have...

This paper introduces Karl Popper's approach to problem solving in the social sciences. These methods fundamentally represent the scientific method of the natural sciences. Popper's problem solving technique is outlined in six steps, including an introductory treatment of his solution to Hume's...

With the current growth in broadband penetration, Internet is likely to be the data collection mode of choice for contingent valuation (CV) and stated preference research in the not so distant future. However, little is known about how this survey mode may influence data quality and welfare...

In this paper we review CV studies conducted in the context of PES programs, almost all of which attempt to estimate the demand of downstream water users for upstream watershed protection and, more generally, for improved water services. Our objective is to assess the quality of these CV-PES...

This study examines the existing water quality of Lahore and measures domestic household’s willingness to pay for improvement in water quality services. To this end, a Tobit model is estimated by conducting a contingent valuation survey about household perceptions in six towns of Lahore.The...

Marine and coastal ecosystems are of high importance owing to the mankind dependence on the goods and services provided. As water quality is one perspective of healthy marine and coastal ecosystems, the aim of this study is to review as more as possible surveys conducted worldwide and in Greece....

The relevance of projection bias in decision making processes has been widely studied, but not specifically in experimental auctions. We study the role of projection bias in experimental auctions by examining the bidding behavior of hungry and non-hungry subjects on food products delivered...

Growing quantity of solid waste is one of the most important environmental hazards prevailing in developing countries. It is difficult for the government in developing countries like Pakistan to rectify it properly due to scarcity of resources. Public awareness and their monetary contribution...