A Creighton University economics professor says Iowa’s economy continues to push ahead despite nationwide reports of failing consumer confidence. He says it continues to expand despite reports that the price of raw materials and supplies has increased significantly.Professor Ernie Goss conducts a monthly survey of Iowa and other Midwestern states. Goss says a slowdown could be in the future, as he believes interest rates will go up again. He expects the Fed Reserve to raise interests rates again May 16th, which would likely slow the economy. Goss says Iowa’s seen a string of five straight months with an increase in the index he uses to track economic growth. Goss conducts his monthly survey in Iowa and eight other regional states.