Wed 24 August

Location: Government Institute of Economic Research (VATT) Helsinki

12:00 – 12:45 Andrew Johnson ”Insights from machine learning for evaluating production function estimators on manufacturing survey data”

12:45 – 13:30 Abolfazl Keshvari “Shape restricted regression and a hedonic model of Finnish hotel room rates”


14:00 – 14:45 Xun Zhou ”Environmental productivity growth in consumer durables: Insights from cohorts of new passenger cars in Finland”

14:45 – 15:30 Timo Kuosmanen ”Modeling economies of scope in joint production: Convex regression of input distance functions”


18:00 Dinner: Restaurant Vltava


Thu 25 August

Location: Aalto University School of Business, Helsinki

10:00 – 12:00 Invited keynote lecture: Xiaofeng Dai "NMM-StoNED: A Bioinformatics Approach for Stochastic Semi-Parmetric Benchmarking"

The 6th Helsinki Workshop on Efficiency and Productivity Analysis (HeWEPA) mini-workshop was held on Thursday 25nd of September 2014 at Aalto University School of Business, Helsinki.


Location: Aalto University School of Business, The Main Building (Runeberginkatu 14-16), Classroom A308

13:00 - 13:55  Andrew Johnson (Texas A&M University): Bayesian StoNED or Multi-variate Bayesian Convex Regression with inefficiency: Two sides of the same coin.

13:55 - 14:50  Moriah Bostian (Lewis & Clark College and University of Turku): Valuing water quality tradeoffs at the farm level: Valuing water quality tradeoffs at the farm level: An integrated approach.

14:50 - 15:10  Coffee break

15:10 - 16:05  Xiaomei Cheng (Norwegian School of Economics): Productivity and skewness issue based on StoNED: Case of Norwegian electricity distribution companies.

16:05 - 17:00  Timo Kuosmanen (Aalto University School of Business): Recent developments in the benchmark regulation of Finnish energy transmission and distribution system operators



The 5th Helsinki Workshop on Efficiency and Productivity Analysis (HeWEPA) mini-workshop will take place on Thursday 22nd of May 2014 at Aalto University School of Business, Helsinki.



Location: Aalto University School of Business, Chydenia Building, Classroom TBA

13:00 - 13:15 Opening Remarks

13:15 – 14:00 Ole Bent Olesen (University of Southern Denmark)

Estimation of S-shaped nonparametric frontiers within a DEA-framework – possibilities and importance

LINK to Paper

14:00 – 14:15      BREAK (Coffee and tea)

14:15 – 15:00      Andrew Johnson (Texas A&M University, Aalto University) and Timo Kuosmanen (Aalto University)

How Much Does Management Affect Productive Performance? New Insights from a semi-nonparametric Analysis of the World Management Survey

LINK to Paper

15:00 – 15:45 Timo Kuosmanen (Aalto University), Andrew Johnson (Texas A&M University, Aalto University) and Christopher Parmeter (University of Miami)

Orthogonality Conditions for Identification of Joint Production Technologies: Axiomatic nonparametric approach to the estimation of stochastic distance functions


The 4th Helsinki Workshop on Efficiency and Productivity Analysis (HeWEPA) mini-workshop will take place in 30 November 2012 at Aalto University School of Business, Helsinki.

We are pleased to announce the following keynote speakers:

Rolf Färe (Oregon State University, USA)

Shawna Grosskopf (Oregon State University, USA)

Finn Forsund (University of Oslo, Norway)

We gratefully acknowledge financial support for the 4th HeWEPA workshop from:

Yrjö Jahnsson Foundation

The Foundation for Economic Education


PROGRAM Updated 27 Nov (abstracts)

Location: Aalto University School of Business, Main building

SESSION 1 (Nokia lecture hall) 9:00-10:00 (Session chair: Mika Kortelainen)

Opening Remarks

Finn Forsund (University of Oslo, Norway)

Measuring effectiveness of production in the public sector SLIDES

Comments by Mika Kortelainen: SLIDES

               BREAK (Coffee and tea) 10:00-10:15

SESSION 2 (Nokia lecture hall) 10:15-12:15 (Session chair: Timo Kuosmanen)

Rolf Färe (Oregon State University, USA)

Regulation and Unintended Consequences / Two Application of Shepard's Distance Functions


Shawna Grosskopf (Oregon State University, USA)

Centralized or Decentralized Control of School Resources? A Network Model


                LUNCH BREAK 12:15-13:30

SESSION 3 (Lecture hall C-350) 13:30-15:00 (Session chair: Antti Saastamoinen)

Timo Kuosmanen (Aalto University School of Business)

Assessing Green Growth in Agriculture: Dynamic Material Balance and Semi-Nonparametric Malmquist Index


Timo Sipiläinen (University of Helsinki)

Performance of dairy farms in Finland and Norway from 1991 - 2008

               BREAK (Coffee and tea) 15:00-15:30

SESSION 4 (Lecture hall C-350) 15:30-17:30 (Session chair: Timo Sipiläinen)

Abolfazl Keshvari (Aalto University School of Business)

Identifying facets of a piecewise linear technology by adapted Fourier-Motzkin elimination method


Yongjun Li (Management School, University of Science and Technology of China)

DEA models for two-stage processes: an enhanced Russell measure approach


Elina Berghäll (Government Institute for Economic Research (VATT))

Have innovation inputs substituted for investment in Finland?



3rd Helsinki Workshop on Efficiency and Productivity Analysis (HeWEPA) mini-workshop in 4 May 2012 at Aalto University School of Economics, Helsinki.

Organizers of the workshop would like to thank all the participants. See the photos below.  




(The PICTURE link shows a picture of the presenter)


SESSION 1 9:00-10:15 (Session chair: Kristiaan Kerstens)
Opening Remarks by Timo Kuosmanen

Mika Kortelainen (Government Institute for Economic Research): Public and Private Capital Productivity in Russia – A Nonparametric Investigation SLIDES  PHOTO

Aziz Karimov (UNU-WIDER): Estimation of Shadow Prices and Economic Inefficiency of Vegetable Farming in Uzbekistan: Directional Input Distance Function Approach PHOTO

BREAK (Coffee and tea) 10:15-10:30

KEYNOTE 1 10:30-12:00 (Session chair: Timo Kuosmanen)

Kristiaan Kerstens (IESEG School of Management, Lille, France): Scale Economies and Returns to Scale in Non-Parametric Models: Exploring the Impact of Convexity SLIDES PHOTO


LUNCH BREAK 12:00-13:00

KEYNOTE 2 13:00-14:30 (Session chair: Timo Sipiläinen)

Andrew L. Johnson (Texas A&M University, USA): Imposing Conservation of Mass in Abatement Function Estimates: NOx Generation in Coal-Fired Power Plants SLIDES PHOTO

BREAK (Coffee and tea) 14:30-14:45

SESSION 2 14:45-16:00 (Session chair: Andrew L. Johnson)

Juha Eskelinen (Aalto University School of Economics): Intertemporal Sales Efficiency Analysis of a Bank Branch Network: A Stochastic Semi-Nonparametric Approach SLIDES PHOTO

Juuso Liesiö (Department of Mathematics and Systems Analysis, Aalto University School of Science): Characterizing Portfolios of DMUs with Ratio-based Efficiency Analysis. PHOTO

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