We employ data envelopment analysis (DEA) methods to construct the world production frontier, which is in turn used to decompose (labor) productivity growth into components attributable to technological change (shift of the production frontier), efficiency change (movements toward or away from...

Measurement of technical efficiency is carried out at many levels of aggregation—at the individual branch, plant, division, or district level; at the company- or organization-wide level; at the industry or sectoral level; or at the economy-wide level. In this paper, we examine the conditions...

The authors investigate the consequences of imposing additivity on community preferences. They show that there are import ant implications of additive community preferences that are not implied. by the additivity of a single consumer's preferences. In particular, th ey show that imposing...