April 2012 #9iv

Discussion in 'CT8' started by MindFull, Sep 28, 2012.

  1. MindFull

    MindFull Ton up Member

    Good Day,

    I'm not understanding the logic used to calculate the max. double default rate. The Examiners report stated that double default can't happen at a rate faster than the min. of the 2 intensities. I'm a bit confused by this.

    Thanks much.
     
  2. Mike Lewry

    Mike Lewry Member

    It's like saying the time taken for two runners to cross the finishing line can't be less than the slowest runner's time.
     
  3. MindFull

    MindFull Ton up Member

    Thanks Mike.

    So basically, double default can only occur after the 'slower' bond defaults -- which has the smaller transition intensity.

    Thanks again for answering my questions Mike.

    :)
     
  4. bluetail

    bluetail Member

    i'd think 'the time taken for two runners to cross the finishing line could not be less than the fastest runner's time'? ( thinking of olympic records).

    Acted material says 'the maximum double-default rate will occur when there's perfect correletion' btw Bonds A and B. So, i'd interpret it as 'if Bond A defaults (which has a higher risk-neutral probability of default) then Bond B will follow...'
    so, i'd think it is max (lambda A, lambda B). it is so confusing...
     

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