Fox, Kevin; Hill, Robert; Diewert, W. - In: Journal of Productivity Analysis 22 (2004) 1, pp. 73-94
A firm may be different from other firms either in terms of the mix or scale of its input-output vector. This paper develops separate mix and scale measures of dissimilarity, and shows that these can be additively aggregated into a measure of absolute dissimilarity. The mix measure is...