“The majority of the economic oscillations which we encounter seem to be explained most plausibly as free oscillations.”
Source: 1930s, Propagation problems and impulse problems in dynamic economics, 1933, p. 1
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Ragnar Frisch 26
Norwegian economist 1895–1973Related quotes
[Seismology and plate tectonics, 1990, http://books.google.com/books?id=tZRxPzwoChIC&pg=PA5] (p. 5)
Seismology and Plate Tectonics (1990)

"Saudi Arabia wasn’t always this repressive. Now it’s unbearable." in The Washington Post (18 September 2017)

Quoted in Der Fuehrer, Hitler's Rise to Power https://www.google.it/books/edition/Der_Fuehrer/_lUTAQAAMAAJ?hl=it&gbpv=1&bsq=%22We+stand+for+the+maintenance+of+private+property...+We+shall+protect+free+enterprise+as+the+most+expedient,+or+rather+the+sole+possible+economic+order.%22&dq=%22We+stand+for+the+maintenance+of+private+property...+We+shall+protect+free+enterprise+as+the+most+expedient,+or+rather+the+sole+possible+economic+order.%22&printsec=frontcover, by Konrad Heiden. Statement of the 1920.
1920s

Mayr (1981) as cited in: C. Gnoli (2011) "Ontological foundations in knowledge organization: the theory of integrative levels applied in citation order". Scire actas. 17-1

Writing in the Chartist newspaper (1847), in Marx Engels Collected Works Vol 6, pg 290.

"The economic naturalist writing assignment", Journal of Economic Education (2006)

“When thoroughly reliable people encounter ghosts, their stories are difficult to explain away.”
Source: Strangely Enough, (1963), p. 177