What effect would each of the following factors have on the stickiness of nominal wages and prices? Would these factors increase or decrease the severity of the business cycle?
a. Grocery stores change from stamping individual prices on products to using bar codes to scan prices into a computer.
b. The size of the unionized manufacturing sector increases relative to the size of the nonunionized service sector.
c. More firms move to selling via the Internet rather than using printed catalogs.