Use central bank websites to collect data on monthly policy rates and morgage rates in two developed economies between 2000 and 2012. Plot the data on graphs, as per Fig. 5.4. Answer the following:

a. How do the banking mark-ups compare in the two countries?

b. Do the banking mark-ups change over time?

c. Use the chapter and the Appendix to discuss possible reasons for any differences observed over time and between countries.