The University of Iowa Institute for Economic Research says Iowans’ incomes will continue to remain strong in the next few months. Personal income growth is down slightly, but the forecast for 2000 is up slightly.Institute Director Beth Ingram says the continued strength of the economy has been a surprise. She says economists expected a tight labor market to have a greater impact on the economy.Ingram says things could slow down if the job market would tighten up, as once predicted. Other than that, she says there’s little ahead to slow the economy.