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Consider the following regression-through-the origin model:Yi = βXi + ui, for i = 1, 2
You are told that u1 ∼ N(0, σ 2 ) and u2 ∼ N(0, 2σ 2 ) and that they are sta- tistically independent. If X1 = +1 and X2 = -1, obtain the weighted least- squares (WLS) estimate of β and its variance. If in this situation you had assumed incorrectly that the two error variances are the same (say, equal to σ2), what would be the OLS estimator of β? And its variance? Compare these estimates with the estimates obtained by the method of WLS? What general conclusion do you draw?
What can they learn from the adopting innovation and how can this be used to maintain a competitive edge?
A monopolist is maximizing profit at an output rate of 1,000 units per month. At this output rate, the price that its customers are willing and able to pay is $8 per unit, average total cost is $5 per unit, and marginal cost is $6 per unit. It may..
How did Coloplast rethink its acquisitions as an integrated strategy? What were the advantages of entering the US market?
Identify a product that could be promoted using a social networking site such as Facebook. In about 100 words, explain why your chosen product would be a good candidate for a social networking-based promotion strategy.
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Describe how the budget constraint of a household in a two-period model is affected by each of the following changes. In each case, do you think the household is better off or worse off? If ambiguous, what does the answer depend on?
part-1you are the owner of a supermarket that wants to understand your clientiacutes preferences so that you can
Make comparisons to other diseases of similar makeup,
Suppose there is a temporary increase in Yw, world income, which increase the demand for domestic goods on the world market. On the graph of Output, Money and Foreign exchange markets show the short-run effect of Yw increase.
Find the trend in the growth rate of M1 and M2. What accounts for differences in the growth rate of each money supply measure?
Explain and illustrate graphically the effect of the following on the monetary base and the level of reserves. Use the T-accounts to illustrate and explain your answer. Central bank purchases $30 million of government securities for Chase Bank.
3) Assuming that banks used all their excess reserves to support an increase in the volume of bank lending, by how much would bank lending expand if the Fed undertook the policy action that was your answer to question (2) ?
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