The perils of stockpiling

For consumers concerned about rising food prices, stockpiling probably makes little economic sense, said Bill Knudson, a professor in the Department of Agricultural Economics at Michigan State University. "The thing about stockpiling is that it becomes a self-fulfilling prophecy," he said. "The easiest way to raise food prices is if everybody went out and stockpiled food."

http://abcnews.go.com/Business/Economy/story?id=4741433&page=1