Which of the following is an INCORRECT statement about a budget constraint?


The concept of opportunity cost is based upon the principle of:


The essence of Engel's law is that as family income rise:


The optimal capital stock is achieved when the user cost of capital is equal to:


If the price elasticity of demand for a good is less than 1, the demand is considered


Which of the following would lead to a rightward shift of the supply curve?


Which of the following is an example of a substitute good?


If both supply and demand increase but the increase in supply is larger, what will happen to equilibrium price and quantity?


When is the price elasticity of supply perfectly inelastic?