67. All of the following will lead to a fall in the level of economic activity in an economy EXCEPT Which ONE? Select one: O a. A rise in cyclical unemployment O b. A decrease in government expenditure O c. A fall in business investment O d. A decrease in taxation 21. If the Bank of England wished to pursue an expansionary monetary policy, it would: Select one: O a. Sell government securities on the open market O b. Buy government securities on the open market O c. Raise interest rates d. Increase the minimum reserve asset ratio