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The impact of nex luxury cars on road traffic fatalities and serious injuries in the Czech Republic
Zapletal, Jan ; Houdek, Petr (advisor) ; Rod, Aleš (referee)
This paper analyzes the negative effect of new luxury cars on road traffic fatalities and serious injuries in the Czech Republic. The analysis has been done using linear regression method on time series dataset for years 1991-2010. The results may show (with low significance) that 1 % increase in share of luxury cars on total number of registered vehicles results in 0.39% decrease of road traffic deaths accidents and 0.03% decrease in number of seriously injured persons. Results, which are contradictory to other previous studies, were probably caused by the broader definition of luxury cars, including new classes which weren't included in earlier papers. The results may show as well that new luxury cars don't increase significantly the risk of death for car passengers in other vehicles, what may have been due to prevailing share of low risk luxury cars in traffic than the higher risk ones. Very surprising finding is that with increasing alcohol consumption there would be less people seriously injured. The increase in alcohol consumption by 1 % would decrease the number of seriously injured people by 2.36 %. It is probably caused by the responsibility of the people who in threat of the punishment didn't drive a car after they have consumed alcohol. The impact of demerit point system may show, that its introduction decrease accidents fatality rates by 2.31 %.

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