“Each one is trying to become more like the other — Walmart by investing heavily in its technology, Amazon by opening physical bookstores and now buying physical supermarkets. But this is more than a battle between two business titans. Their rivalry sheds light on the shifting economics of nearly every major industry, replete with winner-take-all effects and huge advantages that accrue to the biggest and best-run organizations, to the detriment of upstarts and second-fiddle players.
That in turn has been a boon for consumers but also has more worrying implications for jobs, wages and inequality.”
The Amazon-Walmart Showdown That Explains the Modern Economy