The pre-1800 pattern of commercial panics had to be a case of NON MACRO-EFFICIENCY of markets. We’ve come a long way, baby, in two hundred years towa… - Paul Samuelson

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The pre-1800 pattern of commercial panics had to be a case of NON MACRO-EFFICIENCY of markets. We’ve come a long way, baby, in two hundred years toward micro efficiency of markets: Black-Scholes option pricing, indexing of portfolio diversification, and so forth. But there is no persuasive evidence, either from economic history or avant garde theorizing, that MACRO MARKET INEFFICIENCY is trending toward extinction: The future can well witness the oldest business cycle mechanism, the South Sea Bubble, and that kind of thing. We have no theory of the putative duration of a bubble. It can always go as long again as it has already gone. You cannot make money on correcting macro inefficiencies in the price level of the stock market.

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About Paul Samuelson

Paul Anthony Samuelson (May 15, 1915 – December 13, 2009) was an American economist. He was the first American to win the Nobel Prize in Economics.

Also Known As

Native Name: Paul Anthony Samuelson
Alternative Names: Paul A. Samuelson

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Additional quotes by Paul Samuelson

The General Theory caught most economists under the age of 35 with the unexpected virulence of a disease first attacking and decimating an isolated tribe of south sea islanders. Economists beyond 50 turned out to be quite immune to the ailment. With time, most economists in between began to run the fever, often without knowing or admitting their condition.

It is some relief to move from the exalted realm of philosophical ethics to the mundane realm of scientific methodology. However, I rather shy away from discussions of Methodology with a capital M. To paraphrase Shaw: Those who can do science; those who can’t prattle about its methodology.

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