Write a note on Negative yield bond and explain the following.

a) Japan, Germany, Switzerland, and Sweden are all countries where bond yields are, or recently have been, negative.

b) (i) What does this mean about the issue price for such bonds?

(ii) Would it likely apply to corporate as well as government bonds?

(iii) Why would investors and/or financial institutions wish to (or need to) to buy bonds at such a yield?