Tim Harford tells the fascinating stories of inventions, ideas and innovations which have helped create the economic world.
Tim Harford tells the fascinating stories of inventions, ideas and innovations which have helped create the economic world.
There are more than 36,000 McDonald's restaurants around the world - but if the McDonald brothers had had their way, that might never have happened. Tim Harford tells the story of how milkshake-mixer salesman Ray Kroc turned their burger business into a global giant, and explains the principles that made his franchising model such a success.