Upper and Lower Tail Dependence of Continuous Random Variables
6 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

The coefficient of upper tail dependence of X and Y is u = lim q1 P Y > G1(q) X > F1(q) . If u = 0 then X and Y are asymptotically __________ in the upper tail.

independent

If 0 < u 1, then X and Y are said to have upper tail __________.

dependence

The coefficient of lower tail dependence of X and Y is = lim q0 P(Y G1(q) X F1(q)). If = 0 then X and Y are asymptotically __________ in the lower tail.

independent

If 0 < 1, then X and Y are said to have lower tail __________.

<p>dependence</p> Signup and view all the answers

The coefficients of upper and lower tail dependence of X and Y can be written respectively as u = 2 lim q1 1 C(q, q) 1 q and = lim q0 C(q, q) q Archimedean __________.

<p>copulas</p> Signup and view all the answers

Theorem 6.9 states that = 2 lim q0 (q) (1(2(q))) can be expressed in terms of the generator function of an Archimedean __________.

<p>copula</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser