Sample Questions
Subadditivity is one of the four axioms of coherent risk measures (monotonicity, positive homogeneity, translation invariance, subadditivity).
, while is the minimum possible value (often 0 for loss distributions). Since generally does not equal the minimum, the statement that TVaR at level equals VaR at level is false.
You are given: .
For a zero-truncated Poisson with parameter : . . Alternatively: . The answer is , .