Answer: b. people face trade-offs
Explanation:
From the question, we are informed that Bullie Jean has $120 to spend and wants to buy cither a new amplifier for her guitar or a new mp3 player to listen to music while working out.
We are further informed that the amplifier and the mp3 player cost $120, each and so she can only buy one. This shows that people face trade offs and have to make a choice regarding some decisions. Here, an opportunity cost will be the one that she didn't buy at the expense of the other.
Answer:
trialability
Explanation:
trialability is the strategy used to try to increase the diffusion of new format using the service
Answer:
decreases
increases
Explanation:
Nominal interest rate is real interest rate plus inflation rate. If nominal interest rate rises, people would prefer to save their money and so the demand for money would fall.
Real income is income adjusted for price level changes. The higher the real income,the higher the purchasing power, the higher the demand for money.