COMPARED COMPETITIVE BALANCE EVOLUTION IN THE DUTCH AND THE CZECH FOOTBALL LEAGUES BETWEEN 1970 AND 2010
Faculty of Physical Education and Sports, Charles University,
Competitive Balance
We chose two regarding the specific leagues and seasons:
decisive/constitutive standard deviation – percentual
A small group of historical winners, clubs “breaking in“ usually
cannot repeat their title - “mobility“ of teams between
Competitive Balance 2
Low static balance if high differences between clubs inthe table
Low dynamic CB if the top-level positions are constantlyheld by a group of very same teams
E.g. Champions League winners: only some strongestclubs that can win, they are from a few countries
Our study
-1970/71 to 2009/2010: 40 seasons-two similar countries
-two similar leagues?-not historically (political reasons (one league changing),private ownership evolution)-if perfectly statically imbalanced CB:
standard deviations 0.31 (NL) and 0.32 (CZ)
-for dynamic CB, Kendall's and Spearman's coefficientsof correlation
Dutch League
48 clubs, 40 seasons, titles: practically all taken by Ajax
Amsterdam, PSV Eindhoven, Feyenoord Rotterdam
Since 1965, two “intruders”: AZ Alkmaar (2x), FC Twente
Dutch League Static Competitiv e Balance ecnalab 40,00% mI fo egat 30,00% necreP 20,00%
1970/711972/731974/751976/771978/791980/811982/831984/851986/871988/891990/911992/931994/951996/971998/992000/012002/032004/052006/072008/09
Dutch league 2 Dutch Dynamic Competitive Balance Czechoslovak/Czech League
Some top clubs through the history, less stability in results
In the last period (Czech league) more “stability”
Czech League Static Competitiv e Balance ecn 40,00% alabmI fo 30,00% egatnecre 20,00%
1970/711972/731974/751976/771978/791980/811982/831984/851986/871988/891990/911992/931994/951996/971998/992000/012002/032004/052006/072008/09
Czechoslovak/Czech League 2 Czechoslovak Dynamic Competitive Balance Comparison Comparison ecna 50,00% laB ev 40,00% titiepm 30,00% o C cti 20,00% Sta
1970/711973/741976/771979/801982/831985/861988/891991/921994/951997/982000/012003/042006/072009/10
Comparison 2 Comparison cnalaB 0,6 evititep 0,4 moC ci 0,2 manyD 0 27 4 6 8 0 2 4 6 8 0 2 4 6 8 0 2 4 6 8 0 Conclusion
Dutch league - stable and highly imbalanced
Czech league - volatile, rising imbalance
Other authors: Negative evolution (commercialisation, European cups)
Romania, Division C, 1983/4
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COMPARED COMPETITIVE BALANCE EVOLUTION IN 
Competitive Balance
Competitive Balance 2
Our study
Dutch League
Dutch league 2
Czechoslovak/Czech League
Czechoslovak/Czech League 2
Comparison
Comparison 2
Conclusion
Romania, Division C, 1983/4