用STATA做DEA.pptVIP

DEA in Stata? DEA in Stata? Data Envelopment Analysis in Stata Choonjoo Lee (sarang90@kndu.ac.kr) Yong-bae Ji (jyb7707@hanmail.net) Korea National Defense University, Republic of Korea Stata Conference DC09 (July 30-31, 2009) Outline Why DEA in Stata? The Basics of DEA The Stata/DEA program Stata/DEA Examples DEA Frontiers in Stata? References 1. Why DEA in Stata? Software Tools for Frontier Analysis Method Data Envelopment Analysis Stochastic Frontier Analysis Language AMPL, GAMS, Mathematica, SAS, VBA Matlab, R Program DEA Excel Solver, DEAP(v 2.1), DEAQual, DEA-Solver-Pro, EMS, FEAR, Frontier Analyst, OnFront, PIM-DEAsoft, Pioneer, Warwick DEA, MaxDEA, KonSi DEA, ISYDS(SIAD), xlDEA, LIMDEP, StoNED Stata, BSFM, Frontier(v 4.1), WinBUGS, LIMDEP, StoNED Online Program DEA Solver Online, iDEA . 1. Why DEA in Stata? (cont.) DEA literatures by Year(2001-2009) more to go ? D/B: Science Direct, EBSCO, Google scholar, *SCI, SSCI Query: DEA or Data Envelopment Analysis in title, key word, abstract 1. Why DEA in Stata? (cont.) DEA literatures by Journal(2001-2009) Source Title Record Count % of 446 European J. of Oper. Res. 93 20.8 J. of the Oper. Res. Society 37 8.3 App. Math. and Computation 36 8.1 J. of Prod. Ana. 30 6.7 Omega-Int. of Management Sci. 21 4.7 Comp. Oper. Research 15 3.3 Expert Systems with Applications 13 2.9 Annal of Oper. Res. 10 2.2 App. Economics 10 2.2 Int. J. of Infor. Tech. Decision Making 10 2.2 DEA literatures by Subject(2001-2009) 1. Why DEA in Stata? (cont.) … Stata is easy to use and powerful statistical software; Data Envelopment Analysis code in Stata will promote the efficiency in data management for DEA users and open new application areas in statistical inference for Stata users. 1. Why DEA in Stata? (cont.) 2. The Basics of DEA(cont.) DEA Concept Technology + Decision Making Inputs Outputs equipment space # type B labor #type A customer #type B customer quality index oper. profit Performance(Efficiency, Productivity) = Outp