【单选题】The demand for salt is inelastic and the supply of salt is elastic. The demand for caviar is elastic and the supply of caviar is inelastic. Suppose that a tax of $1 per pound is levied on the sellers ...
【简答题】The story involves a shipwreck on the West coast of Africa. The passengers on the ship include a certain Lord and Lady Greystoke from England. Lord and Lady Oreystoke are the only survivor of the ship...