Which of the Following Is the Reason Polynomial RD Models

question 12

Multiple Choice

Which of the following is the reason polynomial RD models can be dangerous to use?

• A) There is no danger in using a polynomial model instead of a varying slopes model.
• B) Polynomial models are sensitive and can produce bumps at the cutoff that are larger than they should be.
• C) Polynomial models lead to further endogeneity when the error term is not continuous.
• D) Polynomial models can produce multicollinearity.

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