Showing 1 - 10 of 5,879
Persistent link: https://www.econbiz.de/10012421061
This paper studies recurring annual events potentially introducing seasonality into gold prices. We analyze gold returns for each month from 1980 to 2010 and find that September and November are the only months with positive and statistically significant gold price changes. This “autumn...
Persistent link: https://www.econbiz.de/10011043142
Both the day of the week and the month of the year effects are examined for the Ghana Stock Exchange. The latter is an interesting case because (a) it operates for only 3 days per week during the sample period and (b) the increased focus that African stock markets have received lately from both...
Persistent link: https://www.econbiz.de/10010772791
Using a portfolio of Dow Jones Industrial Average index constituents and the index ETF, we document significant intraday deviations from the law of one price. These are especially pronounced at very short time intervals. The extent of deviations is related to volatility, liquidity, and...
Persistent link: https://www.econbiz.de/10011264661
In the late 1980s, many countries in Africa established national stock exchanges with a view to foster financial development and economic growth. This paper provides a survey and synthesis of the extant literature on the efficiency of African equity markets (AEMs). It explores the path of...
Persistent link: https://www.econbiz.de/10011213217
We survey the textual sentiment literature, comparing and contrasting the various information sources, content analysis methods, and empirical models that have been used to date. We summarize the important and influential findings about how textual sentiment impacts on individual, firm-level and...
Persistent link: https://www.econbiz.de/10010786518
In economic theory, both discrete and continuous time models are commonly believed to be equivalent in the sense that one can always be used to approximate the other, or equivalently, any phenomena present in one is also present in the other. This common belief is misguided. Both (strict) local...
Persistent link: https://www.econbiz.de/10010574906
I provide evidence that investors overweight analyst forecasts by demonstrating that prices do not fully reflect predictable components of analyst errors, which conflicts with conclusions in prior research. I highlight estimation bias in traditional approaches and develop a new approach that...
Persistent link: https://www.econbiz.de/10010665566
The betting market for the Women's National Basketball Association (WNBA) is a thin financial market, which does not attract much interest from sports bettors. Given these characteristics, it is possible that profitable wagering strategies could exist for informed bettors of the WNBA. Using...
Persistent link: https://www.econbiz.de/10010373269
The abnormal return associated with a stock being added to the S&P 500 has fallen from an average of 3.4% in the 1980s and 7.6% in the 1990s to 0.8% over the past decade. This has occurred despite a significant increase in the percentage of stock market assets linked to the index. A similar...
Persistent link: https://www.econbiz.de/10013477240