Answer:
The correct answer is I. Underestimate the percentage increase in bond price when the yield falls; IV. Overestimate the percentage decrease in bond price when the yield rises.
Explanation:
Convexity is the relationship between price and profitability of a bond. The duration has to do with the period in which the bonds mature, where some variables such as redemptions are taken into account in order to finally be able to measure the risk of changes in interest rates.