Q. Industries at the St. Louis airport have franchises to carry passengers to also from hotels in downtown St. Louis. These 2 industries, Metro Limo also Urban Limo, operate nine passenger vans. These duopolists cannot compete with price, but they can compete through advertising.
Q. Assume the demand for X is given by Qxd = 100 - 2PX + 4PY + 10M + 2A, where PX represents the price of good X, PY is the price of good Y, M is income also A is the amount of advertising on good X. If advertising on good X increases by $10,000, then the demand for X will