Which of the following is false? Multiple Choice At very low interest rates, callable bonds can exhibit negative convexity. For callable bonds, as the interest rate falls, the price-yield curve becomes steeper and the option to call the bond becomes more attractive. As interest rates fall, the increase in the price of the callable bond will not be as large as it would be if the bond were noncallable. The usual curvature that characterizes the price-yield relationship for a straight (noncallable) bond is reduced by a call feature