Preface: 1. New approaches to the economics of plant health: general introduction; A.Oude Lansink.- Efficient inspection policies: 2. Robust inspection for invasive species with a limited budget; J. Moffitt, J.Stranlund, B. Field and C. Osteen.- 3. On economic-cost minimization versus biological-invasion damage control; G. DeAngelo, A. Batabyal and S. Kumar.- 4. Designing optimal phytosanitary inspection policy: a conceptual framework and an application; I. Surkov, A. Oude Lansink, W. van der Werf and O. van Kooten.- Quantifying risks and economic effects using spatial models: 5. Evaluating the cost-effectiveness of brown-rot control strategies: development of a bio-economic model of brown-rot prevalence in the Dutch potato production chain; A. Breukers, M. Mourits, W. van der Werf,D. Kettenis, A. Oude Lansink.- 6. Risk and indemnification models of infectious plant diseases:the case of Asiatic citrus canker in Florida; B. Goodwin and N. Pigott.- 7. Hurricanes and invasive species: the economics and spatial dynamics of eradication policies; A. Acquaye, J. Alston, H. Lee and D. Sumner.- Methods for modelling non-monetary impacts of phytosanitary policies: 8. Estimating the economic value of trees at risk from a quarantine disease; F. Areal and A. MacLeod.- 9. Multi-Criteria Decision Making to evaluate quarantine disease control strategies; M. Mourits and A. Oude Lansink.- Costs and benefits of phytosanitary measures: 10. Phytosanitary measures under uncertainty: a cost-benefit analysis of the Colorado potato beetle in Finland; J. Heikkila and J. Peltola.- 11. The benefits and costs of specific phytosanitary campaigns in the UK: examples that illustrate how science and economics support policy decision making; A. MacLeod.- Economic and biophysical aspects of plant health policies: 12. Model frameworks for strategic economic management of invasive species; J. Mumford.- 13. Analysis of environmental risks: how to assess and manage risks of plants as pests?; G.Schrader