Sustainability 2012, 4(3), 359-383; doi:10.3390/su4030359
Article

The Economic Value of Mangroves: A Meta-Analysis

1 Department of Economics, North Carolina State University, 2801 Founders Drive, Raleigh, NC 27695, USA 2 Faculty of Economics and Political Science, Cairo University, Tharwat St., Giza, 12613, Egypt 3 Southern Research Station, USDA Forest Service, PO Box 12254, Research Triangle Park, NC 27709, USA
* Author to whom correspondence should be addressed.
Received: 4 January 2012; in revised form: 25 February 2012 / Accepted: 28 February 2012 / Published: 7 March 2012
(This article belongs to the Special Issue Environmental and Resource Economics)
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Abstract: This paper presents a synthesis of the mangrove ecosystem valuation literature through a meta-regression analysis. The main contribution of this study is that it is the first meta-analysis focusing solely on mangrove forests, whereas previous studies have included different types of wetlands. The number of studies included in the regression analysis is 44 for a total of 145 observations. We include several regressions with the objective of addressing outliers in the data as well as the possible correlations between observations of the same study. We also investigate possible interaction effects between type of service and GDP per capita. Our findings indicate that mangroves exhibit decreasing returns to scale, that GDP per capita has a positive effect on mangrove values and that using the replacement cost and contingent valuation methods produce higher estimates than do other methods. We also find that there are statistically significant interaction effects that influence the data. Finally, the results indicate that employing weighted regressions provide a better fit than others. However, in terms of forecast performance we find that all the estimated models performed similarly and were not able to conclude decisively that one outperforms the other.
Keywords: mangroves; meta-regression analysis; nonmarket valuation

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MDPI and ACS Style

Salem, M.E.; Mercer, D.E. The Economic Value of Mangroves: A Meta-Analysis. Sustainability 2012, 4, 359-383.

AMA Style

Salem ME, Mercer DE. The Economic Value of Mangroves: A Meta-Analysis. Sustainability. 2012; 4(3):359-383.

Chicago/Turabian Style

Salem, Marwa E.; Mercer, D. Evan. 2012. "The Economic Value of Mangroves: A Meta-Analysis." Sustainability 4, no. 3: 359-383.

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