Assuming the demand curve in question is downward sloping, the calculated price elasticity of demand will always be negative. Indicate whether the statement is true or false ANSWER TRUE
All else constant, all of the following would cause the demand curve for a good to shift except: A) a change in the cost of producing the good. B) a change in the price of a related good. C) a change in consumer’s incomes. D) a change in the number of buyers. ANSWER A
A major weakness of the kinked demand curve model is that it does not explain how the equilibrium price, i.e., the price at the kink in the demand curve, is determined. Indicate whether the statement is true or false ANSWER TRUE
The aggregate expenditure in an open economy is defined as: A) E = C + I + G. B) E = C + I + G + X. C) E = C × I × G × X – M. D) E = C + I + G + X – M. ANSWER D
The total revenue from the sale of a good or service is calculated by multiplying the price paid by the number of units sold. Indicate whether the statement is true or false ANSWER TRUE
In the market for French wines, an increase in demand is illustrated by: A) a movement up the demand curve. B) a movement down the demand curve. C) a shift of the demand curve to the left. D) a shift of the demand curve to the right. ANSWER D
One of the implications of the kinked demand curve model is that even if a firm’s costs change by a measurable amount, market price is unlikely to change. This helps explain the price rigidity observed in many oligopolistic markets. Indicate whether the statement is true or false ANSWER TRUE
In comparing an oligopolistic firm to a perfectly competitive firm it is generally assumed that the price charged by the competitive firm will be higher than the price charged by the oligopolistic firm. Indicate whether the statement is true or false ANSWER FALSE
If a 10 percent increase in the price of a luxury hotel room causes the quantity demanded to decrease by 41.5 percent., we can conclude that the price elasticity of demand for luxury hotel rooms is approximately -0.24. Indicate whether the statement is true or false ANSWER FALSE
Government expenditures are considered autonomous in the model meaning that changes are the result of: A) changes in real income. B) changes in inflation. C) changes in unemployment. D) changes in policy decisions. ANSWER D