Chimp: A Simple Population Model For Use In Integrated Assessment Of Global Environmental Change
We present the Canberra-Hamburg Integrated Model for Population (CHIMP), a new global population model for long-term projections. Distinguishing features of this model, compared to other model for secular population projections, are that (a) mortality, fertility, and migration are partly driven by per capita income; (b) large parts of the model have been estimated rather than calibrated; and (c) the model is in the public domain. Scenario experiments show similarities but also differences with other models. Similarities include rapid aging of the population and an eventual reversal of global population growth. The main difference is that CHIMP projects substantially higher populations, particularly in Africa, primarily because our data indicate a slower fertility decline than assumed elsewhere. Model runs show a strong interaction between population growth and economic growth, and a weak feedback of climate change on population growth.
|Date of creation:||Jul 2005|
|Date of revision:||Jul 2005|
|Publication status:||Published, Integrated Assessment Journal, 6 (3), 1-33|
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- P. Michael Link & Richard S.J. Tol, 2004. "Possible Economic Impacts of a Shutdown of the Thermohaline Circulation: an Application of FUND," Working Papers FNU-42, Research unit Sustainability and Global Change, Hamburg University, revised Apr 2004.
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