Abstract
We test for long-term dependence in US stock returns, analyzing composite and sectoral stock indices and firms' returns series to evaluate aggregation effects. Fractal dynamics are not detected in stock indices but are present in some firms' returns series.
Original language | English |
---|---|
Pages (from-to) | 253-259 |
Number of pages | 7 |
Journal | Economics Letters |
Volume | 53 |
Issue number | 3 |
DOIs | |
State | Published - Dec 1996 |
Scopus Subject Areas
- Finance
- Economics and Econometrics
Keywords
- Fractal dynamics
- Long memory
- Spectral regression
- Stock returns