Research Studies 2015 Volkswagen Scandal

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Colleen Sharkey | August 8, 2019 

In 2015, Volkswagen was exposed for bypassing U.S. emissions standards by equipping their diesel-engine cars with a so-called defeat device that could detect emissions tests, adjust levels to ensure compliance, then revert to non-compliant levels after test completion. Stepan Family Associate Professor of Economics Rüdiger Bachmann at the University of Notre Dame and his co-authors studied the scandal and found that the fallout from Volkswagen’s wrongdoing cost other German car makers billions of dollars in sales.

“We find that the VW scandal reduced the sales of the other German auto manufacturers. … Specifically, the overall effect on those manufacturers amounted to a decline in sales of 104,661 vehicles valued at $5.2 billion in 2016, based on the list prices in the data,” Bachmann and his co-authors write in a working paper released by the National Bureau of Economic Research.

For years, Volkswagen — which also owns Porsche and Audi — emphasized the value of “German engineering” in its advertisements. Stefan Gies, Volkswagen’s head of chassis development, told Car and Driver that, in his view, “German engineering stands for precision in all that we do — precision in the design and what you feel in the car. Everything the driver touches and controls must instill this feeling of confidence and precision. We want that person to feel that they have the car under control and that it will do exactly what they desire it to do.”

The reputation of German know-how led Volkswagen to top Toyota as the world’s most profitable car manufacturer in 2015, listing its 2014 net profit at €2.5 billion in its annual report. The researchers note that, since vehicles by other German makes are substitutes for Volkswagen vehicles, substitution away from Volkswagen should have increased demand for the other German makes. However, they find that it did not do so sufficiently to overcome the negative reputation effect of the scandal. BMW and Mercedes, for example, were not implicated in the emissions scandal, yet their revenue took a hit. Bachmann and his co-authors found that collective reputation matters.

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 by Daily Domer Staff

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