Theoretical problems involved in the reconciliation of the assumption of constant returns to scale with determinacy of firm size are discussed with particular reference to Australian farms. Various techniques for examining changes in the size distribution of firms are examined and their use...

This paper is mainly intended to provide a vehicle for discussion of recent research in measuring resource productivity using what has come to be known in agricultural economics as the Cobb-Douglas approach. I have attempted to draw together most of the points that have been raised by others...