The Important Determinants of the Price Elasticity of Demand Are

Multiple Choice

The important determinants of the price elasticity of demand are the

A) number and closeness of available substitutes, importance in consumers' budgets, and length of the time period.
B) number of markets, size of buyers' incomes, and empirical validity.
C) number of firms, number of variables that must be held constant, and degree to which markets are separable.
D) scope and method of measurement and calculation and transitivity of preferences.
E) state of technology, size of the firm's plants, and size of the absolute change in input prices and quantity.