NO.PZ2023061903000007
问题如下：
Q. Which of the following statements is the best description of the characteristics of economic indicators?
选项：
A.Leading indicators are important because they track the entire economy.
B.Lagging indicators, in measuring past conditions, do not require revisions.
C.A combination of leading and coincident indicators can offer effective forecasts.
解释：
C is correct. Although no single indicator is definitive, a mix of them—which can be affected by various economic determinants—can offer the strongest signal of performance.
B这一项也没有错误吧?.
