Fed’s weak-dollar policy helps buoy commodity price bubble

Rising global demand, China, poor global harvests, ethanol, biodiesel and overeager speculators all have played a significant role in the run-up of commodity prices. But it’s been the Federal Reserve’s easy-money policy that is the biggest culprit behind runaway food cost inflation.

Granted, a 3.25-percent, six-month drop in short-term interest rates will help lubricate the economy’s financial gears. But with those lower rates has come an ever-weakening dollar that has fueled the comm