Introduction -- Formulating the problem -- Searching the literature -- Gathering information from studies -- Evaluating the quality of studies -- Analyzing and integrating the outcomes of studies -- Interpreting the evidence -- Presenting the results -- Conclusion: Threats to the validity of...

In this paper we present a novel methodology to determine the annual value of recreational visit flows to different habitat types in Great Britain. We combine different empirical models to predict the spatial distributions of recreational value across Great Britain. The models use a combination...

The authors use information gathered from 122 studies on the effects of high school diplomas on wages in different countries worldwide to carry out a meta-analysis that shows high school diplomas have a statistically significant effect on wages of nearly 8 percent. This effect varies whether the...