New efficiency theory refers to the various parametric and
semi-parametric methods of estimating production and cost frontiers,
which include data envelopment analysis (DEA) with its diverse
applications in management science and operations research. This
monograph develops and generalizes the new efficiency theory by
highlighting the interface between economic theory and operations
research. Some of the outstanding features of this monograph are: (1)
integrating the theory of firm efficiency and industry equilibrium, (2)
emphasizing growth efficiency in a dynamic setting, (3) incorporating
uncertainty of market demand and prices, and (4) the implications of
group efficiency by sharing investments. Applications discuss in some
detail the growth and decline of the US computer industry, and the
relative performance of mutual fund portfolios.