event studies

Event Study

A study to determine what effect the release of information or its timing has on a security's price. Most analysts believe that information should be released in portions so that the market can price out good or bad information and reduce volatility. However, followers of the efficient markets hypothesis argue that doing that is unnecessary because information is reflected in the security's price immediately. Event studies help shed light on which school, if either, is correct; as with anything, there is the potential for bias within the study itself.

event studies

Research that attempts to determine if particular events produce abnormal returns from stock investments. For example, researchers have conducted event studies in an attempt to determine if stock splits, dividend increases, and earnings announcements produce abnormal returns.

Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.

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However, we believe that event studies over short-horizons are comparatively more effective in finding a clean market reaction to the establishment of the MEP, which is the main goal of this article.

ADMINISTRATIVE REFORM AND ENVIRONMENTAL PROTECTION: THE CASE OF CHINA

Based on the return model chosen, event studies consist generally of applying an event window only (for example, the market-adjusted model) or an event and an estimation window (for instance, the market model).

Are UK industries resilient in dealing with uncertainty? The case of Brexit

Bower, MD, of the division of high-consequence pathogens and pathology at the Centers for Disease Control and Prevention looked at three nonhuman primate studies and eight human immunogenicity and adverse event studies during the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE).

ACIP updates anthrax vaccination recommendations

Three event studies of contagion and financial inclusion,' the study was published by the Bank of International Settlements (BIS).

Banking system can withstand mass movement of retail deposits, says BSP

The studies conducted to typically examine the market reactions to specific kind of announcements are called event studies. These basically examine how fast stock prices adjust to specific significant economic events.

Stock buy recommendations and their impact: evidence from Indian capital markets

Traditional event studies are designed to capture the financial market's expectation as to the overall performance results of mergers.

Value Creation in U.S. Bank Mergers Before and After the Global Financial Crisis

Employing vector auto regressions (VARs), which may be better suited to the task than event studies, we find a consistently positive effect during the crisis era of general monetary policy variables on the financial markets, and clear effectiveness of some of the Fed's innovative policy actions.

The wealth effects of quantitative easing

Out of this total number of event studies, we observe significant values for the volatility index in 119 cases.

The effects of labor market news on international financial markets

(158) Before the advent of the modern event study in 1969, there was little empirical evidence of the central issues of financial economics, whereas "[n]ow we are overwhelmed with results, mostly from event studies." (159) The ability to isolate the impact of a broad range of corporate events occurring in capital markets led to a dramatic increase in published articles using the event study technique; Kothari and Warner report that between 1974 and 2000, 565 papers containing event studies were published in five finance journals alone.

Single-firm event studies, securities fraud, and financial crisis: problems of inference

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