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Liquidity preference versus loanable funds, televised (wonkish, with video)

The Austrian Economists found this 2/23/2009 on krugman.blogs.nytimes.com

One of the key insights in Keynes's General Theory - actually, THE key insight - was that the loanable funds theory of the interest rate was incomplete. Loanable funds says that the interest rate is determined by the supply of and demand for saving; Keynes pointed out that the supply of saving ...