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I puzzled over this question for a moment before I realized what the problem is - the simple IV estimator is given in equation 15.13, while the 2SLS estimator is given in equation 15.43, as per ...
An expanded explanation to asymptotic variance as shown in Woolridge's textbook on econometrics.
Finance and investment problem
(1) You are required to analyse each of the areas of statistics relating to business decision making explaining in detail what each of them do.
? Descriptive Measures
? Sampling Distributions
? Linear Regression
? Time Series Forecasting
? Index Numbers
(2) Additionally you are to explain what advantages and disadvantages each of them have if they are attempted to be used by a finance department to forecast the sales budget for the coming year.
(3) After explaining the relevant advantages and disadvantages you are then required to identify (with reasons) which technique is most appropriate to undertake the task proposed above by the finance department.
(4) Using the technique you have identified as being most appropriate you are then required to analyse AMP given in example of Thomson ONE Banker Analytics website .
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