This article uses the index number approach to estimate the regional differences of agricultural output, input and total factor productivity (TFP) in Italy. Data cover the period 1951 to 2002 and are taken from Agrefit, which is a new database of Italian agriculture at regional level....

This study has three main objectives. First, it develops a generalization of the commonly used EKS method to multilateral price comparisons. It is shown that the EKS system can be generalized so that weights can be attached to each of the link comparisons used in the EKS computations. These...

This paper develops a novel multilateral test approach to the problem of international comparisons. Many of the associated tests are justi¯ed as\reasonable" using the fact that they are direct analogues to properties of the cost-of-living index. Further support is bestowed upon the new approach...