BACKGROUND The Clinical Outcomes in Routine Evaluation-Outcome Measure (CORE-OM) is used to evaluate the effectiveness of psychological therapies in people with common mental disorders. The objective of this study was to estimate a preference-based index for this population using CORE-6D, a health state classification system derived from the CORE-OM consisting of a 5-item emotional component an...

Coral reef ecosystems provide many functions, services and goods to coastal populations, especially in the developing world. A variety of anthropogenic practices threatens reef health and therefore jeopardises the benefits flowing from these services and goods. These threats range from local pollution, sedimentation, destructive fishing practices and coral mining to global issues like coral ble...

State-of-the-practice in software engineering economics often focuses exclusively on cost issues and technical considerations for decision-making. Value-based software engineering (VBSE) expands the cost focus by also considering benefits, opportunities, and risks. Of central importance in this context is valuation, the process for determining the economic value of a product, service, or a proc...

In recent decades, concerns have arisen about the proper valuation of the world's forests. While some of these concerns have to do with market distortions for timber products or inadequate data on non-timber forest products, an additional issue has been the challenge of uncovering the economic worth of non-market services provided by forest ecosystems (Kramer, Healy and Mendelsohn). This has le...

We test a chained time trade-off (TTO) approach to estimating health gains from interventions by asking respondents to directly compare the "before" and "after" intervention health states in the TTO framework. Respondents with experience of both health states were used, thus minimising biases stemming from confusion surrounding health descriptions. We found that responses to these direct compar...