Future Yield Growth: What Evidence from Historical Data?
Name
MITJPSPGC_Rpt199.pdf
Size
759.94 KB
Format
Adobe PDF
Checksum (MD5)
899c46a74cc3907f15dc8b3c95369d2f
Author(s)
Gitiaux, Xavier
Reilly, John M.
Paltsev, Sergey
Date Issued
May 2011
Publisher
MIT Joint Program on the Science and Policy of Global Change
Citation
Report no. 199
Series/Report no.
;Report no. 199
Abstract
The potential future role of biofuels has become an important topic in energy legislation as it is seen as a potential low carbon alternative to conventional fuels. Hence, future yield growth is an important topic from many perspectives, and given the extensions of the period over which data are available a re-evaluation of yields trends is in order. Our approach is to focus on time series analysis, and to improve upon past work by investigating yields of many major crops in many parts of the world. We also apply time series techniques that allow us to test for the persistence of a plateau pattern that has worried analysts, and that provide a better estimate of forecast uncertainty. The general conclusion from this time series analysis of yields is that casual observation or simple linear regression can lead to overconfidence in projections because of the failure to consider the likelihood of structural breaks.
Description
Abstract and PDF report are also available on the MIT Joint Program on the Science and Policy of Global Change website (http://globalchange.mit.edu/).
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