According to the endogenous growth model with human capital, what can we say about countries with more efficient schools?

All else equal, if autonomous consumption ________, the value of the multiplier remains constant

A) increases B) decreases C) remains constant D) all of the above

All else equal, when interest rates ________, the duration of a coupon bond ________

A) rise; falls B) rise; increases C) falls; falls D) falls; does not change