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Are Czechs superstitious or the effect of Friday the 13th in accidents on Czech highways
Koucká, Lucie ; Hronza, Martin (advisor) ; Rod, Aleš (referee)
The aim of this thesis is to find out whether Friday the thirteenth as a chosen representative of the superstition has an influence to the number of traffic accidents in the Czech Republic. The hypothesis that is being verified is that on Friday the thirteenth, drivers will be more cautious resulting in less accidents. Based on the five year long time series the model is estimated using the ordinary least squares with robust standard errors where the endogenous variable is daily number of car accidents. The exogenous variables are Friday the thirteenth, the public holidays, the precipitation, the average daily temperatures and the gas prices. The "Friday the thirteenth" variable turned out as statistically non-significant. Based on the results of the econometric analysis we can reject the hypothesis of this thesis. This conclusion was further confirmed by the results of the survey conducted.

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