Why Do Milk Prices Spike And Crash? Because It's Like Oil

Milk prices are in the tank. You may not have noticed this, since prices in the supermarket have fallen only slightly. But on the farm, it's dramatic. Dairy farmers are getting about 20 percent less for their milk than they did last year; 40 percent less than when milk prices hit an all-time peak two years ago.

"We're losing money," says Dave Drennan, executive director of the Missouri Dairyman's Association. In Europe and Australia, dairy farmers have taken to the streets to protest their plight.

Big swings in milk prices aren't new. Prices were even lower in 2006 and 2009. It's remarkable, in fact, just how volatile the dairy business is.

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