A rise in general level of prices may be caused by 1. An increase in the money supply 2. A decrease in the aggregate level of output 3. An increase in the effective demand Select the correct answer using the codes given below.
- (a)1 only
- (b)1 and 2 only
- (c)2 and 3 only
- (d)1, 2 and 3
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Official answer(d) 1, 2 and 3