The Benefits of the Snow Plow

Bob Greene: The clear winners in that one shot analysis are everybody else in society. He says the people who originally were shoveling snow with just handheld shovels might be worse off because of the invention of the snow plow, but everybody else is better off. Greene: By the time we're done, Bob, they're down to like their 57th most highly ranked occupation compared to day one before the machines came on the scene.