We also show that the improvement in liquidity is mainly driven by a reduction in adverse selection; that informational efficiency
is not significantly affected; and there is an increase in retail trading.
This result contradicts the belief of the SEC and others that naked shorting is not information-based and does not contribute to stock market informational efficiency
In this study, the entropy measurement, an econophysic approach, was applied to quantify the informational efficiency
of timber real estate investment trusts (REITs), wood, furniture, and paper markets in the United States during the period from 1999 to 2012.
He contributes to the sizable literature on informational efficiency
in sport betting markets by analyzing a large data set betting on football matches in Europe.
Competition between NSE and BSE and the free entry and exit for the economic agents who trade on these exchanges have improved the operational as well as informational efficiency
of the stock markets.
Manne argues first that insiders trading on nonpublic material information contribute to improving the informational efficiency
of stock prices.
A stronger version of the time-invariance is involved, if the markets display different degrees of informational efficiency
and the prices' evolution itself is close to a pure random walk process (eventually with drift).
The second volume contains papers that explore how the promotion-and-relegation (based on sporting performance) league structure of European football, which contrasts with the fixed- hierarchy structure of most North American sports leagues, influences economic competitive balance between leagues; examine industrial performance as a function of the relationship between wage costs and team performance and the relationship between team performance and team revenue; and discuss betting and the informational efficiency
BIO "is the first interactive business intelligence solution to enable organizations to achieve informational efficiency
for about 25 to 30 percent of the cost of competing applications," claims NexVue founder Dan Schwartz.
In particular, we know little about how institutions affect the informational efficiency
of share prices, one important dimension of market quality.
On the whole, these studies report a very high degree of informational efficiency
Guernsey & Company, has shown a decline in informational efficiency
since the collapse of Enron and the closing of the EnronOnline Internet-based trading platform.