Rockefeller's Antitrust Legacy Offers Warnings for Modern Housing Gatekeepers

By Jonathan Miller · The Real Deal · 2026-08-03

The Real Deal examines how John D. Rockefeller Sr. utilized horizontal integration at Standard Oil to dominate the American refining market through the turn of the century. By purchasing competitors rather than diversifying, the firm achieved a ninety percent market share that ev

The Real Deal examines how John D. Rockefeller Sr. utilized horizontal integration at Standard Oil to dominate the American refining market through the turn of the century. By purchasing competitors rather than diversifying, the firm achieved a ninety percent market share that ev