This paper addresses several issues recently raised concerning the proposed restructuring of the U.K. Post Office. Using dynamic disequilibrium multiproduct cost functions that permit the identification of cost complementarities, it is possible to analyze the extent to which joint production...

The postprivatization structure of the U.K. water industry involves the separation of environmental services from other outputs previously produced under an integrated system by the publicly-owned water authorities. This paper examines the extent to which the integrated authorities benefited...