Market efficiency quotes:

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Even in financial markets, the concept of market efficiency does not hold. -- Paul Ormerod
During periods of extreme fear or greed, you don't have the proper balance between those two to generate market efficiency and you get extremes in behavior. -- Andrew Lo
The argument for the free market is a complicated and sophisticated one and depends on demonstration of secondary effects. I have confidence market efficiency will win out. -- Milton Friedman
The protection of private property does more than promote market efficiency; it enhances the level of human freedom in the most intimate and personal parts of our lives. -- Richard Allen Epstein
First, those who disagree with market efficiency simply assert that it stands to common sense that greater effort to get facts and greater acumen in analyzing those facts will pay off in better performance somehow measured. (By this logic, cure for cancer must have been found by 1955). -- Paul Samuelson
Second, they [those who disagree with market efficiency] always claim they know a man, a bank, or a fund that does do better. Alas, anecdotes are not science. And once Wharton School dissertations seek to quantify the performers, these have a tendency to evaporate into the air - or, at least, into statistically insignificant t-statistics. -- Paul Samuelson
Some economists became obsessed with market efficiency and others with market failure. Generally held to be members of opposite schools-freshwater and saltwater, Chicago and Cambridge, liberal and conservative, Austrian and Keynesian-both sides share an essential economic vision. They see their discipline as successful insofar as it eliminates surprise-insofar, that is, as the inexorable workings of the machine override the initiatives of the human actors. -- George Gilder
If stability and efficiency required that there existed markets that extended infinitely far into the future - and these markets clearly did not exist - what assurance do we have of the stability and efficiency of the capitalist system? -- Joseph Stiglitz
Hedge funds, private equity and venture capital funds have played an important role in providing liquidity to our financial system and improving the efficiency of capital markets. But as their role has grown, so have the risks they pose. -- Jack Reed
Although most Americans apparently loathe inflation, Yale economists have argued that a little inflation may be necessary to grease the wheels of the labor market and enable efficiency-enhancing changes in relative pay to occur without requiring nominal wage cuts by workers. -- Janet Yellen
Any business owner can tell you that if their company isn't performing profitably and up to standards, one of two things will happen: either you make changes to improve its efficiency, or a competitor will drive you out of business. Market forces have a way of cutting to the chase rather quickly. -- J. B. Pritzker
The interchange of information is creating a new paradigm for the energy efficiency market -- Greg Turner
I take the market-efficiency hypothesis to be the simple statement that security prices fully reflect all available information. -- Eugene Fama
The barriers that renewables and efficiency face come less from our living in a capitalist market economy and more from not taking market economics seriously. -- Amory Lovins
The reason the U.S. lags so badly is that we have obsolete rules that favor big over small, supply over efficiency, and incumbents over new market entrants. -- Amory Lovins
Investing in a market where people believe in efficiency is like playing bridge with someone who has been told it doesn't do any good to look at the cards. -- Warren Buffett

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