Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/81068
Authors: 
Arndt, Channing
Thurlow, James
Year of Publication: 
2013
Series/Report no.: 
WIDER Working Paper 2013/042
Abstract: 
We apply a probabilistic approach to the evaluation of climate change impacts in the Zambeze River Valley. The economic modeling relies on an economywide modeling approach. Taking a distribution of shocks as inputs, we create hybrid frequency distributions of the potential economic impacts of climate change for Mozambique. The approach identifies an explicit range of potential outcomes and associates a probability with given sets of outcomes. For example, we find that the economy of Mozambique may be up to 13% smaller in 2050 due to the effects of climate change. However, the chance of GDP losses of less than 5% are more than four out of five with about 10% of these outcomes actually positive. Large declines in GDP, defined as a decline greater than 10%, are the result of a dramatic reduction in flood return periods though the probability of large declines is relatively small at 2.5%. We conclude that this probabilistic approach provides significantly more information to policy makers and productively focuses scientific effort and the agenda for future research.
Subjects: 
Climate change
uncertainty
economic impacts
economywide model
Mozambique
JEL: 
O13
Q54
Q56
ISBN: 
978-92-9230-619-9
Document Type: 
Working Paper

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