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Gail Tverberg

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Gail Tverberg is a retired US actuary who writes about energy economics, including fossil fuel depletion, water shortages, and global warming.[1] This has included investigating the link between oil prices and the global economy.[2]


According to her blog, Tverberg started working for the CNA insurance company as an actuarial trainee in 1970.[3] At a smaller insurance company, she then worked on the impact of variable interest rates and the 1973 oil crisis for the industry. After that company declared bankruptcy, she returned to the CNA group.[3]

Tverberg states that she then became an actuary-consultant, advising insurance companies using ad hoc predictive models.[4] Tverberg relates that she especially worked on "long tail" activities, where claims arrive and are paid long after the damage has occurred.[3]

Peak oil[edit]

Tverberg's blog describes her growing interest in the oil limit issue and “peak oil” around 2005. In March 2007, she retired early and concentrated on the oil subject. After reading some of her articles, The Oil Drum blog invited her to write articles for them, under the alias “Gail The Actuary.” In an entry written at the beginning of 2008, she predicted a financial crisis related to "peak oil."[5] This crisis never transpired, so from 2010 her view moved away from a peak oil one.[3] However, she remained editor of The Oil Drum until the blog was mothballed in 2013.


Tverberg has authored one open access published paper, and co-authored another.

Tverberg's 2012 article Oil supply limits and the continuing financial crisis argued that sovereign debt defaults, reduced credit, falling home prices and "collapse" would result from continuing oil supply constraints.[6] In reality, oil supply expanded, as shown by the list of countries by proven oil reserves.

Tverberg co-authored the paper An analysis of China's coal supply and its impact on China's future economic growth,[7] which argued that China's future economic development would be constrained when its local coal production declined. But as local coal production declined, China has simply imported more coal.[8]

Tverberg has also contributed a chapter to an academic book.[9] Tverberg has given speeches at the invitation of various groups, according to her blog.[10][11][12] She also volunteers as "director, energy economics" at the Space Solar Power Institute.[13][3]

See also[edit]

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  • Peak oil
  • The Oil Drum
  • The Collapse of Complex Societies


  1. Tverberg, Gail. "Gail's gravatar description". Gravatar Picture Profile. Automattic.
  2. Tverberg, Gail (30 January 2018). "How the Peak Oil story could be "close," but not quite right". Our Finite World Blog. Gail Tverberg. Retrieved 1 February 2019.
  3. 3.0 3.1 3.2 3.3 3.4 Tverberg, Gail (27 October 2016). "How researchers could miss the real energy story". Our Finite World Blog. Gail Tverberg. Retrieved 27 January 2019.
  4. Tverberg, Gail (6 May 2013). "Reaching limits in a finite world". Our Finite World Blog. Gail Tverberg. Retrieved 27 January 2019.
  5. Tverberg, Gail (9 January 2008). "Peak Oil and the Financial Markets: A Forecast for 2008". The Oil Drum. Retrieved 27 January 2019.
  6. Tverberg, Gail (January 2012). "Oil supply limits and the continuing financial crisis". Energy. 37 (1): 27–34. doi:10.1016/j.energy.2011.05.049.
  7. Wang, Jianliang; Feng, Lianyong; Tverberg, Gail E. (June 2013). "An analysis of China's coal supply and its impact on China's future economic growth". Energy Policy. 57: 542–551. doi:10.1016/j.enpol.2013.02.034.
  8. https://chinapower.csis.org/energy-footprint/
  9. Reddy, Sudhakara (éd.); Ulgiati, Sergio (éd.) (2013). Energy Security and Development - The Changing Global Context (PDF). Cambridge Scholars Publishing. Retrieved 27 January 2019. Lay summary. Search this book on Amazon.com Logo.png
  10. Tverberg, Gail (26 June 2017). "The Next Financial Crisis Is Not Far Away". Our Finite World Blog. Gail Tverberg.
  11. Tverberg, Gail (8 May 2018). "How the Economy Works as It Reaches Energy Limits — An Introduction for Actuaries and Others". Our Finite World Blog. Gail Tverberg.
  12. Tverberg, Gail (20 June 2017). "The problem of properly evaluating intermittent renewables – BioPhysical Economics" (PDF). Gail's Blog. Gail Tverberg.
  13. Space Solar Power Institute web site.

External links[edit]

Category:Actuaries Category:Living people Category:Year of birth missing (living people)

This article "Gail Tverberg" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:Gail Tverberg. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.

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