【单选题】Recently, the government considered adding an excise tax on CDs that can be used to record music and CD players that can record discs. If this tax was enacted, we would expect:
A.
that consumers would pay a higher price and producers would sell fewer of these CDs and CD players than before the tax.
B.
there to be no effect on consumption or the prices paid by consumers of these CDs and CD players.
C.
that consumers would pay a lower price and producers would receive a higher price for these CDs and CD players than before the tax.
D.
there to be an increase in economic activity due to the tax.
【单选题】Zuma Co(Zuma),a sportswear manufacturer, has recently teamed up with Muzic Choice, a music streaming service, to develop a mobile app that matches users' favourite music to the intensity of their work...