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150324s1979 xx |||||o 00| ||eng c |
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|a 10.2307/2286325
|2 doi
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|a (DE-627)JST044029462
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|a (JST)2286325
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Epps, Thomas W.
|e verfasserin
|4 aut
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| 245 |
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|a Comovements in Stock Prices in the Very Short Run
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| 264 |
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|c 1979
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a Computermedien
|b c
|2 rdamedia
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| 338 |
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|a Online-Ressource
|b cr
|2 rdacarrier
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|a Correlations among price changes in common stocks of companies in one industry are found to decrease with the length of the interval for which the price changes are measured. This phenomenon seems to be caused by nonstationarity of security price changes and by the existence of correlations between price changes in the same stock-and in different stocks-in successive periods. Although such correlations are not necessarily inconsistent with market efficiency, the data do reveal the presence of lags of an hour or more in the adjustment of stock prices to information relevant to the industry.
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| 650 |
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|a Efficient-markets hypothesis
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| 650 |
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|a Portfolio theory
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| 650 |
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4 |
|a Financial markets
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| 650 |
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4 |
|a Fisher effect
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| 650 |
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4 |
|a Business
|x Business operations
|x Commerce
|x Pricing
|x Price changes
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| 650 |
|
4 |
|a Economics
|x Economic disciplines
|x Financial economics
|x Finance
|x Financial instruments
|x Financial securities
|x Capital stocks
|x Stock prices
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| 650 |
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4 |
|a Mathematics
|x Pure mathematics
|x Algebra
|x Coefficients
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| 650 |
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4 |
|a Business
|x Business operations
|x Commerce
|x Pricing
|x Prices
|x Asking prices
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| 650 |
|
4 |
|a Mathematics
|x Applied mathematics
|x Statistics
|x Applied statistics
|x Descriptive statistics
|x Correlations
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| 650 |
|
4 |
|a Information science
|x Information analysis
|x Data analysis
|x Regression analysis
|x Regression coefficients
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| 650 |
|
4 |
|a Business
|x Business operations
|x Commerce
|x Business orders
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| 650 |
|
4 |
|a Business
|x Business operations
|x Commerce
|x Trade
|
| 650 |
|
4 |
|a Mathematics
|x Applied mathematics
|x Statistics
|x Applied statistics
|x Descriptive statistics
|x Correlations
|x Correlation analysis
|x Correlation coefficients
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| 650 |
|
4 |
|a Economics
|x Economic disciplines
|x Financial economics
|x Finance
|x Financial instruments
|x Financial securities
|x Capital stocks
|x Common stock
|x Applications
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| 655 |
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4 |
|a research-article
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| 773 |
0 |
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|i Enthalten in
|t Journal of the American Statistical Association
|d American Statistical Association, 1922
|g 74(1979), 366, Seite 291-298
|w (DE-627)JST043979041
|x 1537274X
|7 nnns
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| 773 |
1 |
8 |
|g volume:74
|g year:1979
|g number:366
|g pages:291-298
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| 856 |
4 |
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|u https://www.jstor.org/stable/2286325
|3 Volltext
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| 856 |
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|u https://doi.org/10.2307/2286325
|3 Volltext
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|a GBV_USEFLAG_A
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|a GBV_JST
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|a AR
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|d 74
|j 1979
|e 366
|h 291-298
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