Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/98415
Authors: 
Dewenter, Ralf
Heimeshoff, Ulrich
Year of Publication: 
2014
Series/Report no.: 
Diskussionspapier, Helmut-Schmidt-Universität, Fächergruppe Volkswirtschaftslehre 140
Abstract: 
There is a wide range of magazines, newspapers, TV shows, and websites providing information on products based on product reviews or expert opinions. A natural question is, whether these reviews and expert opinions have effects on product sales. There is a small but growing literature in economics and marketing science testing the relevance of such product information, based on products such as financial instruments, wine, books and movies. However, books, movies, and wine have in common that quality is very difficult to measure. It is always also a matter of taste whether these products can be seen as high or low quality goods. Even financial products are sometimes hard to evaluate due to the well-known fact, that financial market data often contains much noise. Based on a unique dataset, we test whether test scores published in a major German car magazine have significant impact on registrations of new cars in Germany. We find that test scores for certain cars have statistically significant impact on the number of new cars sold by several leading manufacturers on the German car market.
Subjects: 
Car magazines
Test Scores
Demand
JEL: 
L15
L82
Document Type: 
Working Paper

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