Better-quality enterprises also suffer faster exits, and new entrants are slower to arrive. “Zombie firms may cast a long shadow on the economy,” the IMF economists conclude.
That shadow crept up on India a decade ago. In 2012, Credit Suisse Group AG — which, as irony would have it, has itself gotten swallowed up by UBS Group AG — wrote an influential report about the country’s most indebted companies, titled “House of Debt.” As the house burned,…