In this episode, show host Gene Tunny explores the influential theories of economists Alvin Hansen, the “American Keynes", and Evsey Domar. The episode was inspired by a first edition copy of Hansen and Perloff’s 1944 book “State and Local Finance in the National Economy” that Gene was gifted. It includes a handwritten inscription from Hansen to Domar, his student at Harvard. Key topics include the Keynesian IS-LM model, the secular stagnation hypothesis, and the Harrod-Domar growth model. The episode provides a rich historical context and examines the relevance of these theories to today's economic challenges.

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What’s covered in EP245

• Book by Alvin Hansen and Harvey Perloff on State and Local Finance in the National Economy. (0:00)
• Alvin Hansen's contributions to economics, including popularizing Keynes's theory and teaching influential students such as Paul Samuelson and Evsey Domar. (5:06)
• IS-LM model. (11:13)
• Keynesian economics and secular stagnation hypothesis. (17:42)
• Fiscal policy and its impact on the economy. (25:28)
• Domar's life and growth model. (32:29)
• Harrod-Domar model and its implications for economic policy. (39:00)
• Economic growth models and their limitations. (45:22)

Takeaways

1. Secular Stagnation Hypothesis: Hansen's theory suggesting that mature economies could face prolonged periods of low growth due to structural factors.
2. IS-LM Model: Developed by Hansen and Hicks, this model became a foundational tool in macroeconomics for analyzing the effects of fiscal and monetary policy.
3. Fiscal Perversity Hypothesis: Hansen and Perloff's analysis showing that state and local fiscal policies can sometimes exacerbate economic downturns.
4. Harrod-Domar Growth Model: An important Keynesian model that emphasizes the relationship between investment and economic growth, though not fully explaining long-term growth.
5. Legacy and Influence: Both Hansen and Domar significantly shaped the development of economic theory and policy, influencing key areas such as social security and public investment strategies.

Links relevant to the conversation

Inscription from Hansen to Domar on Gene’s copy of State and Local Finance in the National Economy:

https://drive.google.com/file/d/167cJbNhxBJpsKRwSYGHxbjupX1Q3Iacx/view?usp=sharing

William Easterly’s paper on the Harrod-Domar model:

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=11020

Fiscal perversity papers:

Fabrizio Carmignani’s article “Can public expenditure stabilize output? Multipliers and

policy interdependence in Queensland and Australia”:

https://www.sciencedirect.com/science/article/abs/pii/S0313592615300242?via%3Dihub

Tamim Bayoumi and Barry Eichengreen’s paper “Restraining Yourself: The Implications of Fiscal Rules for Economic Stabilization”:

https://www.elibrary.imf.org/view/journals/024/1995/001/article-A002-en.xml

An abridged version of Skidelsky’s three-volume biography of Keynes:

https://www.penguin.com.au/books/john-maynard-keynes-9780143036159

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Thanks to Obsidian Productions for mixing the episode and to the show’s sponsor, Gene’s consultancy business www.adepteconomics.com.au. 

Full transcripts are available a few days after the episode is first published at 

www.economicsexplored.com.