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1. (1) Let y(t) be a time series with a constant mean E(y(t))=m. Show that the sample mean is an unbiased estimator for m. (2) Let y(t) be a time series with a constant mean E(y(t))=m, constant variance var(y(t)), and cov(y(t),y(j))=0 for t not equal to j. Show that the variance of the sample mean is var(y(t))/T.
The price of Burger King's Whopper hamburger declines and mcDonald's distributes coupons for $1.00 off the purchase of a Big Mac.
Based on their public statements, many policy makers would support government regulation of oil markets in order to compensate for the exhaustibility of oil as a resource. Is this reasonable from an economic stand point.
Based on the data provided, what is the opportunity cost of producing pastries and sandwiches in Northland? What is the opportunity cost of producing pastries and sandwiches in West Coast?
The Kentucky Derby is held the first Saturday in May at Churchill Downs in Louisville, KY. The racing track is one and one-quarter miles. The winners since 1990, their margin of victory, the winning time, and the payoff on a $2 bet.
What will price and output be if there is no dominant firm Now assume that there is a dominant firm, whose marginal cost is constant at $6. Derive the residual demand curve that it faces and calculate its profit-maximizing output and price.
Businesses usually decide in using automation and labor in production. An automotive environment may have high fixed costs and low variable costs,
For each of following changes, show/explain the effect on DEMAND CURVE and state what will take place to market equilibrium price and quantity (in the short run).
what effects might a decision by these countries to diversify their interrational reserve holdings have on the dollar and what problems might it create for U.S. monetary policy?
Evaluate price elasticity of demand
Suppose that the economy is initially at equilibrium, in which total planned real expenditures equals real GDP. Which of the following will occur if there is an increase in autonomous investment?
Fit-To-A-Tee, a "price-taking" T-Shirt design shop, has a schedule of total fixed costs, total variable costs, total costs and marginal cost
"The Economics of Professional Sports" Please respond to the following: Explain the economic consequences that would unfold if one of the major four sports leagues in the United States reorganized into a single-entity league. Discuss the consequen..
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