Supposed That You Are Interested in Estimating Country-Level Maternal Mortality

question 20

Multiple Choice

Supposed that you are interested in estimating country-level maternal mortality rate (mmr_t) based just on the gross domestic product per capita (gdppc_t) and literacy rate (lr_t) and you find that countries that have unusually high (for the given levels of gdppc and lr) mmr in one period also have unusually high mmr in the next period. Which of the following assumption for time series analysis does not hold?

• A)No perfect collinearity.
• B)Zero conditional mean.
• C)Homoskedasticity.
• D)No serial correlation.

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