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Does a price change cause a movement along a supply curve or a shift of the entire curve? Describe the process that leads the market toward equilibrium.
What happens in a competitive market when the price is above or below the equilibrium price? What roles do shortages and surpluses play in the market?
If she is successful, how would this marriage change the artist's demand for goods? How would it change her supply of labor?
Are laser pointers and cats complements or substitutes? (Not sure? Search for videos of cats and laser pointers online.) Discuss.
Calculate what is the equilibrium price and quantity. Given your answer in part c, will the price rise or fall in order to find the equilibrium point?
What is the value of the price elasticity if demand is elastic? Give an example of a good that has inelastic demand.
What is the connection between total revenue and the price elasticity of demand? Explain why slope is different from elasticity.
Define the price elasticity of supply. What are the two determinants of the price elasticity of supply?
What is the value of the price elasticity if supply is elastic? What is the value of the price elasticity if supply is inelastic?
What is the income elasticity of a luxury good? Give an example of a necessity. What is the income elasticity of a necessity?
Define the cross-price elasticity of demand. Give an example with negative cross-price elasticity, another with zero cross-price elasticity.
If the government decided to impose a 50% tax on gray T-shirts, would this policy generate a large or small increase in revenues?
Over that range of prices, does the business face elastic, unitary, or inelastic demand?
At a price of $200, a cellphone company manufactures 300,000 units. At a price of $150, company produces 200,000 phones. What is the price elasticity of supply?
Determine the income elasticity of demand for eating out and for having frozen lasagna dinners.
A local golf course is considering lowering its fees in order to increase revenue coming in. Under what conditions is fee reduction going to achieve its goal?
Are price gouging laws an example of a price floor or a price ceiling? Does a binding price ceiling cause a shortage or a surplus?
Would you expect quarterly US real GDP series to be stationary? Why or why not?
Now regress S1 on s2. What does this regression connote? How does this exercise differ from the one we discussed in this chapter?
A priori, would you expect the two time series to be cointegrated? Why? What does trade theory have to say about the relationship between the two?
Suppose you want to forecast employment at the national level. Collect quarterly employment data and develop suitable forecasting model using ARIMA methodology.
Develop a suitable ARIMA model to forecast the labor force participation rate for females and males separately.
Collect data on housing starts and develop a suitable ARIMA model for forecasting housing starts. Explain the procedure step by step.
Suppose you find two cointegrating relationships. How do you interpret them? Would you have to include one or two error correction terms in estimating the VAR?
If you want to take into account some of these variables in the wage function, estimate your model, paying due attention to the problem of endogeneity.