Tail Dependence - ETH - Entrepreneurial Risks - ETH Zürich
Tail Dependence - ETH - Entrepreneurial Risks - ETH Zürich
Tail Dependence - ETH - Entrepreneurial Risks - ETH Zürich
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3.20 λU(N) for the upper tails of index S&P 500 and the nine assets plotted<br />
in blue and λL(N) for the lower tails plotted in red using non-parametric<br />
approach given by equation ˆ λ +,− �<br />
= 1/ max 1, l<br />
�ˆν with coefficients ˆν,<br />
β<br />
l and β for rolling time horizon windows of S = 2500 considered data<br />
points from N = (1 . . .S), (2 . . .S + 1), . . ., (5736 − S + 1 . . .5736) or a<br />
total time interval from July 1985 to Mars 2008. . . . . . . . . . . . . . 48<br />
3.21 λU(N) for the upper tails of index S&P 500 and the nine assets plotted<br />
in blue and λL(N) for the lower tails plotted in red using non-parametric<br />
approach given by equation ˆ λ +,− �<br />
= 1/ max 1, l<br />
�ˆν with coefficients ˆν,<br />
β<br />
l and β for rolling time horizon windows of S = 1600 considered data<br />
points from N = (1 . . .S), (2 . . .S + 1), . . ., (5736 − S + 1 . . .5736) or a<br />
total time interval from July 1985 to Mars 2008. . . . . . . . . . . . . . 49<br />
3.22 λU(N) for the upper tails of index S&P 500 and the nine assets plotted<br />
in blue and λL(N) for the lower tails plotted in red using non-parametric<br />
approach given by equation ˆ λ +,− �<br />
= 1/ max 1, l<br />
�ˆν with coefficients ˆν,<br />
β<br />
l and β for rolling time horizon windows of S = 800 considered data<br />
points from N = (1 . . .S), (2 . . .S + 1), . . ., (5736 − S + 1 . . .5736) or a<br />
total time interval from July 1985 to Mars 2008. . . . . . . . . . . . . . 50<br />
3.23 λU(N) for the upper tails of index S&P 500 and the nine assets for rolling<br />
time horizon windows of size S = 2500 plotted in black, S = 1600 plotted<br />
in blue, and S = 800 plotted in red using non-parametric approach given<br />
by equation ˆ λ +,− �<br />
= 1/ max 1, l<br />
�ˆν with coefficients ˆν, l and β from<br />
β<br />
N = (2501 − S . . .S), (2502 . . .S + 1), . . .,(5736 − S + 1 . . .5736). . . . 51<br />
3.24 λL(N) for the lower tails of index S&P 500 and the nine assets for rolling<br />
time horizon windows of size S = 2500 plotted in black, S = 1600 plotted<br />
in blue, and S = 800 plotted in red using non-parametric approach given<br />
by equation ˆ λ +,− �<br />
= 1/ max 1, l<br />
�ˆν with coefficients ˆν, l and β from<br />
β<br />
N = (2501 − S . . .S), (2502 . . .S + 1), . . .,(5736 − S + 1 . . .5736). . . . 52<br />
3.25 Return data for index S&P 500 ranging from January 1950 to April 2008 55<br />
3.26 Autocorrelation for a return series on the left and for a squared return<br />
series on the right of index S&P 500 ranging from January 1950 to April<br />
2008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56<br />
3.27 Scale factors ĈY (k) = k<br />
N · (Yk,N) ˆν of the index S&P 500 and Ĉε(k) =<br />
k<br />
N · (εk,N) ˆν of the nine assets’ residues plotted for the upper tails of the<br />
bigger data set ranging from July 1985 to April 2008 with k=1, 2,...,<br />
458 (k/N = 0% . . .8%). . . . . . . . . . . . . . . . . . . . . . . . . . . . 58<br />
3.28 Scale factors ĈY (k) = k bˆ · (Yk,N)<br />
N γ n of the index S&P 500 and Ĉε(k) =<br />
k bˆ · (εk,N)<br />
N γ n of the nine assets’ residues plotted for the upper tails of the<br />
bigger data set ranging from July 1985 to April 2008 with k=1, 2,...,<br />
458 (k/N = 0% . . .8%). . . . . . . . . . . . . . . . . . . . . . . . . . . . 58<br />
3.29 Fraction of scale factors<br />
� Ĉε(k)<br />
ĈY (k)<br />
� 1/α<br />
= εk,N<br />
Yk,N<br />
of the nine assets’ residues<br />
and the index S&P 500, plotted for the upper tails of the bigger data<br />
set ranging from July 1985 to April 2008 with k=1, 2,..., 458 (k/N =<br />
0% . . .8%). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59