argues that the financial marketplace contains pockets of inefficiency in the availability and use of information, such that insiders can earn excess returns by selectively trading [r]
Trang 2The Financial Information Marketplace
Trang 3McGrawHill/Irwin
Money and Capital Markets, 9/e © 2006 The McGrawHill Companies, Inc., All Rights Reserved.
financial system
within the financial system is so important
financial assets
meant by “social accounting.”
Trang 4financial information.
financial decision makers into:
debt security prices and yields,
stock prices and dividend yields,
information on security issuers,
Trang 5McGrawHill/Irwin
Money and Capital Markets, 9/e © 2006 The McGrawHill Companies, Inc., All Rights Reserved.
The Great Debate Over Efficient Markets & Asymmetric Information
• The efficient markets hypothesis (EMH) contends that
information relevant to the pricing (valuation) of loans,
securities, and other financial assets is readily available to all
borrowers and lenders at negligible cost.
Trang 6The Great Debate Over Efficient Markets & Asymmetric Information
argues that the financial marketplace contains pockets of
inefficiency in the availability and use of information, such
that insiders can earn excess returns by selectively trading
financial assets based on the special information they have
been able to acquire
Trang 7McGrawHill/Irwin
Money and Capital Markets, 9/e © 2006 The McGrawHill Companies, Inc., All Rights Reserved.
The Great Debate Over Efficient Markets & Asymmetric Information
rationally use all the relevant information that is available to
value stocks and bonds
or expected rate of return commensurate with its level of risk.
Trang 8The Great Debate Over Efficient Markets & Asymmetric Information
from expected returns should be quickly eliminated as
investors react to temporary underpricing or overpricing of
assets
Trang 9McGrawHill/Irwin
Money and Capital Markets, 9/e © 2006 The McGrawHill Companies, Inc., All Rights Reserved.
Different Forms of the EMH
financial asset already reflects all its price and trading volume
history
financial asset already reflects all publicly available and
relevant information
asset already captures all relevant public and private
information
Trang 10semistrong forms of the EMH
especially because of the existence of insider trading activities
and the apparent presence of pockets of special information
asymmetrically scattered throughout the financial system