According to the authors, what type of forecasting are economists relatively good at? A. Forecasting major economic turning points, but not short-term changes in many economic variables. B. "If/Then" reasoning, indicating that "if" we are in a particular situation, we are good at determining what is going to happen next, or "then." C. Nowcasting short-term events, but not major economic turning points in the distant future. D. Not much; because data is often revised, we are not vary good at any forecasting