Philippe,
Thank you for your reply.
> MET stands for Mean Exit Time. The Shorrocks index is a function of the
> mean exit time from a class (which is determined by the diagonal elements
> of the transition matrix).
>
> An early reference is Prais, S.J. 1955, Measuring Social Mobility in
> Journal of the Royal Statistical Society, Series A, 188:56-66.
I understand.
Though I looked through both Prais' and Shorrocks' papers, I failed
to notice the links between them.
K.I.
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