finance Finance is the study and discipline of money, currency and capital assets. It is related to, but not synonymous with economics, the study of production, distribution, and consumption of money, assets, goods and services (the discipline of fina ...

, the noisy market hypothesis contrasts the

efficient-market hypothesis The efficient-market hypothesis (EMH) is a hypothesis in financial economics that states that asset prices reflect all available information. A direct implication is that it is impossible to "beat the market" consistently on a risk-adjusted bas ...

in that it claims that the prices of securities are not always the best estimate of the true underlying value of the firm. It argues that prices can be influenced by speculators and momentum traders, as well as by insiders and institutions that often buy and sell stocks for reasons unrelated to fundamental value, such as for diversification, liquidity and taxes. These temporary shocks referred to as "noise" can obscure the true value of securities and may result in mispricing of these securities, potentially for many years.The Noisy Market Hypothesis

Wall Street Journal ''The Wall Street Journal'' is an American business-focused, international daily newspaper based in New York City, with international editions also available in Chinese and Japanese. The ''Journal'', along with its Asian editions, is published ...

Jeremy Siegel Jeremy James Siegel (born November 14, 1945) is the Russell E. Palmer Professor of Finance at the Wharton School of the University of Pennsylvania in Philadelphia, Pennsylvania. Siegel comments extensively on the economy and financial markets. He ...

, June 14, 2006

References

See also