One Market, One Number? A Composite Indicator Assessment of EU Internal Market Dynamics
KU Leuven; Erasmus Research Institute of Management (ERIM)
C.A. Knox Lovell
University of Georgia - C. Herman and Mary Virginia Terry College of Business - Department of Economics
KU Leuven - Faculty of Business and Economics (FBE)
Tom Van Puyenbroeck
European Academy of Brussels
We consider the lack of consensus about an appropriate theoretical framework linking sub-indicators as a defining characteristic of composite indicators. This intrinsic feature implies uncertainties about the appropriate normalisation and aggregation of the raw data. The two are related: index theory offers some valuable guidelines about their connection. Yet these do not fully solve the basic problem of expert disagreement. We embed such (residual) disagreement in the aggregation method itself. Specifically, we apply an impartial benefit-of-the-doubt weighting procedure, where weight restrictions incorporate the available information on experts' opinions. We apply this procedure to the dynamic performance assessment of EU Internal Market effects, thereby highlighting its capacity to disaggregate member states' observed performance shifts into changes relative to benchmarks and performance changes of the benchmarks (i.e. catching up versus genuine progress). Our results indicate that the latter factor is more important in explaining the observed progress.
Number of Pages in PDF File: 38
Keywords: Composite Indicators, Aggregation, Weighting, Internal Market
JEL Classification: E13, E60, F02, O47working papers series
Date posted: September 27, 2005
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