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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?
your son is graduating from high school and is about to enter the work force. he has developed a strong curiosity about
A consumption good
Describe two economic examples of issues that affect our decision-making processes and that may change our quality of life.
a muffler company advertises that you will receive a rebate if it takes longer than 28 minutes to replace your muffler.
Describe some healthcare situations in which an agent has taken advantage of a principal.Now describe some healthcare transactions that have not taken place because of fears about asymmetric information. What are some strategies for reducing adverse..
The background is about World War II Holocaust andwe are focus on the reasons why American citizen refuse the Jewish to immigrate from the economic perspective.
consumer surplus represents the difference between what a consumer is willing to pay for a good or service and the
what is the concentration ratio for the industry x and y.number of firm ----industry x ------ industry y1
Someone claims that the "bargaining" hypothesis appeared in the literature because of a significant flaw in the "comparative advantage" hypothesis. After you briefly explain what these two hypotheses stand for, identify what..
Discuss how the article relates to concepts & theories (international investment) examined (clearly note the concepts & theories being illustrated)
1. the profitability of the leading cola syrup manufacturers pepsico and coca-colaand of the bottlers in the cola
What will happen to the M1 money supply if it makes the loans in (b) above and those funds are deposited into another bank by the borrowers - part of an expansionary fiscal policy
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