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Productivity efficiencies in Ukrainian polyclinics: lessons for health system transitions from differential responses to market changes
Springer Science and Business Media LLC - Tập 29 - Trang 103-111 - 2008
Patrick M. Bernet, Michael D. Rosko, Vivian G. Valdmanis, Anatoly Pilyavsky, William E. Aaronson
Ukraine’s recent elections revealed deep divisions between eastern regions, which favored central economic planning, and western regions, which preferred more free market reforms. This study compares polyclinics in Ukraine to see if the inflexibility of Soviet-style planned economies results in lower economic efficiency in eastern regions. Using data from two geopolitical regions, Data Envelopment...... hiện toàn bộ
Public Infrastructure Investment and Efficiency in Italian Regions
Springer Science and Business Media LLC - - 2006
Camilla Mastromarco, Ulrich Woitek
Facet analysis in data envelopment analysis: some pitfalls of the CRS models
Springer Science and Business Media LLC -
Ole Bent Olesen, Niels Christian Petersen
AbstractThe nonparametric estimator of the Extended Facet reference technology for the Constant Returns to Scale case has attracted some attention, because the associated production frontier by construction does only include strongly efficient faces of maximal dimension, or strongly efficient faces that are part of such strongly efficient faces of maximal dimension...... hiện toàn bộ
Alternative output, input and income concepts for the production accounts
Springer Science and Business Media LLC - - Trang 1-15 - 2023
W. Erwin Diewert, Kevin J. Fox
Definitions of output and input are key to studies of productivity analysis, as they are to the national accounts of countries. This paper systematically reviews alternative definitions at production unit and aggregate levels, illustrating the different perspectives that they provide on production and income, and making the case for their use in understanding different aspects of firm and country ...... hiện toàn bộ
The need for speed: impacts of internet connectivity on firm productivity
Springer Science and Business Media LLC - Tập 37 - Trang 187-201 - 2011
Arthur Grimes, Cleo Ren, Philip Stevens
Broadband access is widely considered to be a productivity-enhancing factor, but there are few firm-level estimates of its benefits. We use a large micro-survey of firms linked to longitudinal firm financial data to determine the impact that broadband access has on firm productivity. Propensity score matching is used to control for factors, including the firm’s own lagged productivity, that determ...... hiện toàn bộ
A simple closed-form approximation for the cumulative distribution function of the composite error of stochastic frontier models
Springer Science and Business Media LLC - Tập 39 - Trang 259-269 - 2012
Wen-Jen Tsay, Cliff J. Huang, Tsu-Tan Fu, I.-Lin Ho
This paper derives an analytic closed-form formula for the cumulative distribution function (cdf) of the composite error of the stochastic frontier analysis (SFA) model. Since the presence of a cdf is frequently encountered in the likelihood-based analysis with limited-dependent and qualitative variables as elegantly shown in the classic book of Maddala (Limited-dependent and qualitative variables...... hiện toàn bộ
Scale Economies and Efficiency in U.S. Agriculture: Are Traditional Farms History?
Springer Science and Business Media LLC - Tập 22 - Trang 185-205 - 2004
Catherine Paul, Richard Nehring, David Banker, Agapi Somwaru
The structural transformation of agriculture in recent decades has raised serious concerns about the future of the family farm. This study examines the economic performance of U.S. farms, to explore the potential of smaller farms to compete with larger entities, and ultimately to survive in this rapidly changing environment. We use deterministic and stochastic frontier methods and survey data to m...... hiện toàn bộ
One-Step and Two-Step Estimation of the Effects of Exogenous Variables on Technical Efficiency Levels
Springer Science and Business Media LLC - - 2002
Hung-jen Wang, Peter Schmidt
Consider a stochastic frontier model with one-sided inefficiency u, and suppose that the scale of u depends on some variables (firm characteristics) z. A “one-step” model specifies both the stochastic frontier and the way in which u depends on z, and can be estimated in a single step, for example by maximum likelihood. This is in contrast to a “two-step” procedure, where the first step is to estim...... hiện toàn bộ
Intertemporal efficiency variations in Indian manufacturing industries
Springer Science and Business Media LLC - Tập 5 - Trang 301-324 - 1994
Chiranjib Neogi, Buddhadeb Ghosh
One of the important sources of growth of an economy is the efficient and productive use of existing resources. The Indian industries after three decades of protected industrial culture has produced an inefficient regime. This is supposed to be corrected by the on-going economic liberalization. An application of Time-Varying Frontier Production Function approach with both fixed and variable rankin...... hiện toàn bộ
Using seminonparametric methods to model hospital cost functions: The multi-product asymptotically ideal model
Springer Science and Business Media LLC - Tập 5 - Trang 141-159 - 1994
Gary Koop, Kathleen Carey
The article develops a multi-product extension of the asymptotically ideal model which has several advantages over traditional cost functions. The AIM cost function has greater flexibility and allows for economic theory to be imposed via parametric restrictions alone. In addition, the AIM cost function is superior to other seminonparametric approaches as it is unlikely to suffer from overfitting p...... hiện toàn bộ
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