Using some of the examples from your textbook, describe econometric studies which required instrumental variable techniques. In each case emphasize why the need for instrumental variables arises and how authors have approached the problem. Make sure to include a discussion of overidentification, the validity of instruments, and testing procedures in your essay.

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The Answer of Using some of the examples from your textbook, describe econometric studies which required instrumental variable techniques. In each case emphasize why the need for instrumental variables arises and how authors have approached the problem. Make sure to include a discussion of overidentification, the validity of instruments, and testing procedures in your essay.

Using Some of the Examples from Your Textbook, Describe Econometric