FGNZFinancial Group of New Zealand (mortgage company)
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(1994) further include a third component (related to scale change) in what is known as FGNZ decomposition.
When the problem under study exhibits VRS, the following FGNZ decomposition (Fare et al., 1994) can be used
Furthermore, the evolution of the mean MPI components (as per the FGNZ decomposition) is also shown.