Econometrics Project: Choice of sports in Francefor rugby
Erik Borrat, Ghislain Robert, Selene Diedhiou
ENAC, IENAC11T
May 20, 2013
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
Outline
1 Why this subject?
2 Practicing rugby in universities
First modelSecond modelConclusion
3 Practicing rugby in French clubs
First modelSecond modelConclusion
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
1. Why this subject?
First choice: Sports choice in universities...
Final choice: Practicing rugby in universities
Extension to French rugby clubs’ members
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
2. Practicing rugby in universitiesFirst model
First equation
Rugbyi = β1 + β2Sexi + β3Agei + β4Sizei + β5Weighti + β6Originloci
+ β7Originsporti + β8Actualloci + β9Actualsporti + β10Campusi
+ β11Clubi + β12Friendi + β13Injuriesi + ui (1)
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
2. Practicing rugby in universitiesFirst model
First equation
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
2. Practicing rugby in universitiesFirst model
Wald test
Null Hypotesis not rejected
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
2. Practicing rugby in universitiesSecond model
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
2. Practicing rugby in universitiesSecond model
Residual normality?
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
2. Practicing rugby in universitiesConclusion
Problem of dummy variables
Problem of data
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
3. Practicing rugby in French clubsFirst model
First equation
Rugbyi = β1 + β2Agei + β3Clubi + β4Loci + β5PPi + β6Titlesi
+ β7Urbi + β8Wagei + β9Alcoholi + ui (2)
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
3. Practicing rugby in French clubsFirst model
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
3. Practicing rugby in French clubsFirst model
Correlation matrix:
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
3. Practicing rugby in French clubsFirst model
Wald test
Null Hypothesis not rejected
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
3. Practicing rugby in French clubsSecond model
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
3. Practicing rugby in French clubsSecond model
Normality of residuals?
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
3. Practicing rugby in French clubsSecond model
Removing few departments
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
3. Practicing rugby in French clubsSecond model
Homoscedasticity:
Heteroscedasticity of residuals
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
Conclusion
Comparison with reality
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby
END
Thank you for your attentionQuestions?
Erik Borrat, Ghislain Robert, Selene Diedhiou Econometrics Project: Choice of sports in France for rugby