Examlex
The Bonferroni is a less conservative post hoc test than is the Tukey HSD.
Efficient Market Hypothesis
A theory that suggests all known information is already reflected in stock prices; therefore, it is impossible to consistently achieve higher returns than the overall market.
Nonzero Alphas
Refers to the active return on an investment, indicating performance that deviates from the expected risk-return trade-off.
Neglected-firm Effect
A phenomenon where lesser-known, smaller companies may outperform larger companies because they receive less attention from analysts.
January Effect
A seasonal increase in stock market prices that typically occurs during the month of January, often attributed to the buying of stocks that were sold at the end of the previous year for tax purposes.
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