No explicit cite of Michael Porter, but it’s always good to see Levitt part of the story and more.
Sometimes the best that a company can hope for is death (Financial Times)
“Levitt did not recognise that competitive advantage, rather than a fertile imagination, is the key to success. The whip manufacturers had neither production capabilities nor marketing channels relevant to the automobile industry. The skillset needed to manage coal mines is very different from that required to run an integrated oil company.”