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How to Edit Environment Variables on Windows 10 or 11

Editing your PC's environment variables can save you time in Command Prompt and make your scripts more concise. It also lets ...
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Problems with Instrumental Variables Estimation When the Correlation Between the Instruments and the Endogeneous Explanatory Variable is Weak

We draw attention to two problems associated with the use of instrumental variables (IV), the importance of which for empirical work has not been fully appreciated. First, the use of instruments that ...