Why is forecasting GDP in the long run so difficult?$$Question $7(1$ point$)$

$$

If the correlation between GDP and y is $-0\mathrm{.}75,$ we say y is

Question $7$ options:

a$)$

countercyclical.

b$)$

positively correlated.

c$)$

procyclical.

d$)$

acyclical.

e$)$

persistent