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Correct! The imposition of the tax does not change the market demand for movies. Nothing has changed the value consumers place on movies or their willingness to pay for the experience. Market supply does change because theater owners are now subject to the $0.50 tax. At every price, theater owners need an additional $0.50 to cover the cost of the tax. Essentially, the theater owners have experienced an increase in their costs and the supply curve has shifted upward (back, in, left) by $0.50.
Incorrect. The imposition of the tax does not change the market demand for movies. Nothing has changed the value consumers place on movies or their willingness to pay for the experience. Market supply does change because theater owners are now subject to the $0.50 tax. At every price, theater owners need an additional $0.50 to cover the cost of the tax. Essentially, the theater owners have experienced an increase in their costs and the supply curve has shifted upward (back, in, left) by $0.50.