The Global Derivatives Trend In 2008
Source: University of Craiova
At the beginning of the '60 was propagated the efficient market theory by Eugene Fama and for decades the economists considered that the price formed on different markets objectively reflect all available information at that moment in time. Therefore they said that anybody couldn't obtain a better turnover that the market output. The last 10 years show us that can be obtained better turnovers that the market efficiency and even when the market decrease high turnovers appear.