We use Kriström’s simple spike model to assess the factors influencing consumers’ willingness to pay a premium for a variety of certified wood products. A survey of over 1600 Pennsylvania and Tennessee residents found that approximately 35% were willing to pay some positive “premium”...

We use Kriström’s simple spike model to assess the factors influencing consumers’ willingness to pay a premium for a variety of certified wood products. A survey of over 1600 Pennsylvania and Tennessee residents found that approximately 35% were willing to pay some positive “premium”...

In contingent valuation, despite the fact that many externalities manifest themselves as costs to some and benefits to others, most studies restrict willingness to pay to being non-negative. In this paper, we investigate the impact of allowing for negative, zero and positive preferences for...

In this paper, Chinese consumers' preferences and their willingness to pay (WTP) for non-genetically modified (GM) vegetable oil were elicited by a payment card approach. In addition to the conventional model, spike models, which were originally developed to evaluate public goods, were adopted...

In this paper, we develop a simple model of the benefits and costs of being on a waiting list. The model shows that complex factors are in operation, implying that a shorter waiting time need not necessarily be preferred to a longer waiting time. We also present an empirical study, where a...

Tilapia, a tropical freshwater fish native toAfrica, is an increasingly important global food commodity. The World Wide Fund for Nature (WWF), a major environmental nongovernmental organization, has establishedstakeholder dialogues to formulate farm certification standards that promote...

A comprehensive study of the growth, potential, and limits of transnational eco-certification in China and the implications for other emerging economies. China has long prioritized economic growth over environmental protection. But in recent years, the country has become a global leader in the...