Eric Sprott, the Canadian money manager who last year predicted banking stocks would collapse, said the U.S. is at the beginning of an economic depression that will help gold prices more than double.

Bullion may top $2,000 an ounce in coming years amid a series of financial catastrophes, the chairman and founder of Toronto-based Sprott Asset Management Inc. said yesterday in an interview. Banks will battle to replenish capital, Treasury auctions stand the risk of failing and the moribund economy will create a dire operating outlook for many companies, he said.

“The trend is down, and there’s not one signpost that says it’s changing yet,” Sprott said yesterday from Toronto. “We’ll stand by to wait to see those, and until it does, you have to assume it gets worse.”

Sprott, who manages $4.5 billion, said in March that the world was in a “systemic financial meltdown,” a call that presaged the collapse of financial institutions including Bear Stearns & Co. and Lehman Brothers Holdings Inc. Since then, the U.S. has entered the worst economic slowdown since the Great Depression, credit markets have tightened and asset prices have dropped as companies and funds sell portfolios to raise cash.....