53. What type of tax decrease as income increases? Select one: a. Progressive b. Proportional c. Regressive 62. An increase in a country's productive potential causes the following: Select one: a. Shift to the right of AD b. Shift to the left of AS C. Shift to the left of AD d. Shift to the right of AS 11. Which of the following is NOT an example of fiscal policy? of Select one: a. A reduction in government spending on training b. The use of exchange rates to control inflation c. Tax concessions given to businesses locating in regions of high unemployment