„Economists should study financial markets as they actually operate, not as they assume them to operate—observing the way in which information is actually processed, observing the serial correlations, bonanzas, and sudden stops, not assuming these away as noise around the edges of efficient and rational markets.“

—  Adair Turner, Baron Turner of Ecchinswell, Ch. 2 : Financial Markets: Efficiency, Stability, and Income Distribution

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„Even in financial markets, the concept of market efficiency does not hold.“

—  Paul Ormerod English economist
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„All the consumer market mojo is with Apple and to a lesser extent BlackBerry. And yet, the real market momentum with operators and the real market momentum with device manufacturers seems to primarily be with Windows Mobile and Android.“

—  Steve Ballmer American businessman who was the chief executive officer of Microsoft 1956
Ballmer sees Mac as a main competitor, iPhone as just buzz http://appleinsider.com/articles/09/02/24/ballmer_sees_mac_as_a_main_competitor_iphone_as_just_buzz.html in AppleInsider (24 February 2009)

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