What drives long-run biodiversity change? New insights from combining economics, palaeoecology and environmental history

Citation

Hanley N, Tinch D, Angelopoulos K, Davies A, Barbier EB & Watson F (2009) What drives long-run biodiversity change? New insights from combining economics, palaeoecology and environmental history. Journal of Environmental Economics and Management, 57 (1), pp. 5-20. http://www.sciencedirect.com/science/journal/00950696; https://doi.org/10.1016/j.jeem.2008.03.005

Abstract
This paper presents a new approach to understanding the effects of economic factors on biodiversity change over the long run. We illustrate this approach by studying the determinants of biodiversity change in upland Scotland from 1600-2000. The measure of biodiversity used is a proxy for plant species diversity, constructed using statistical analysis of paleoecological (pollen) data. We assemble a new data set of historical land use and prices over 11 sites during this 400 year period; this data set also includes information on changes in agricultural technology, climate and land ownership. A panel model is then estimated, which controls for both supply and demand shifts over time. A main result is that prices, which act in our model as a proxy for livestock numbers, do indeed impact on biodiversity, with higher prices leading to lower biodiversity.

Keywords
agricultural development; biodiversity; paleoecology; panel models; instrumental variables; Biodiversity; Biodiversity Economic aspects; Biodiversity Environmental aspects; Evolutionary paleoecology

Journal
Journal of Environmental Economics and Management: Volume 57, Issue 1

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