Increased
It’s a positive number
Answer:
B. the weighted average time to maturity of the bond's cash flows
Explanation:

t = time to maturity
r = required return
C = coupon payment
M = maturity
V = market value
Frm the duration formula we can notice there is a weighted average as there is a sum of the coupon payment which is latter divide over the bonds market value
Answer:
to create an ethical code of conduct
Explanation:
A code of ethics and professional conduct outlines the ethical principles that govern decisions and behavior at a company or organization. They give general outlines of how employees should behave, as well as specific guidance for handling issues like harassment, safety, and conflicts of interest
Answer: US government bonds usually have the lowest yields in the bond markets.
Explanation:
Based on the understanding of bond ratings and bond-rating criteria, it should be noted that the US government bonds usually have the lowest yields in the bond markets.
The statement that "BBB bonds usually have the lowest yields in the bond markets" is incorrect.