Things really do change slowly. Despite clearly inferior vehicles, US automakers still lead in market share. The Big Three automakers combined have 47% market share compared to the Japanese manufacturers with only 35%.
In 1980, the Big Three had 76% of the market, so it's an admittedly large drop, but it surprises me that they are still holding down nearly 50% market share with lower quality and higher prices.
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Related:
Product adoption rates over time
