The General Motors market share in the US fell from 62.6% to 19.8% between 1980 and 2009, noticed Susan Helper and Rebecca Henderson. Helper is now the chief economist at the US commerce department, and Henderson is a management professor at Harvard.
The article is by Heidi Moore. The market here is working, but oh so slowly. I would like to see behavioral economics papers on why so many people continued to buy General Motors (and here I mean the standard cars) for as long as they did.
Here is a timeline of GM recalls.