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Are We Entering an Era of Concatenated Global Crises? Ecology and Society
Biggs, Duan; ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville Australia; ancientantwren@gmail.com; Biggs, Reinette (Oonsie); Stockholm Resilience Centre, Stockholm University, Sweden; oonsie.biggs@stockholmresilience.su.se; Dakos, Vasilis; Department of Aquatic Ecology & Water Quality Management, Wageningen University; vasileios.dakos@wur.nl; Scholes, Robert J; CSIR Natural Resources and the Environment, Pretoria, South Africa; BScholes@csir.co.za; Schoon, Michael; School of Human Evolution and Social Change, Arizona State University; Michael.Schoon@asu.edu.
An increase in the frequency and intensity of environmental crises associated with accelerating human-induced global change is of substantial concern to policy makers. The potential impacts, especially on the poor, are exacerbated in an increasingly connected world that enables the emergence of crises that are coupled in time and space. We discuss two factors that can interact to contribute to such an increased concatenation of crises: (1) the increasing strength of global vs. local drivers of change, so that changes become increasingly synchronized; and (2) unprecedented potential for the propagation of crises, and an enhanced risk of management interventions in one region becoming drivers elsewhere, because of increased connectivity. We discuss the...
Tipo: Peer-Reviewed Insight Palavras-chave: Concatenation; Connectivity; Crisis; Disaster; Food price crisis; Governance; Learning; Thresholds.
Ano: 2011
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Speaking Stata: On structure and shape: the case of multiple responses AgEcon
Cox, Nicholas J.; Kohler, Ulrich.
A frequent problem in data management is that datasets may not arrive in the best structure for many analyses, so that it may be necessary to restructure the data in some way. The particular case of multiple response data is discussed at length, with special attention to different possible structures; the generation of new variables holding the data in different form; valuable inbuilt string and egen functions; using foreach and forvalues to loop over lists; and the use of the reshape command. Tabulations and graphics for such data are also reviewed briefly.
Tipo: Journal Article Palavras-chave: Composite variables; Concatenation; Egen; Foreach; Forvalues; Graphics; Indicator variables; Multiple responses; Reshape; Split; String functions; Tabulations; Research Methods/ Statistical Methods.
Ano: 2003 URL: http://purl.umn.edu/116035
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