Heterogeneous population
A)implies that heteroskedasticity-robust standard errors must be used.
B)suggest that multiple characteristics must be used to describe the population.
C)effects can be captured through interaction terms.
D)refers to circumstances in which there is unobserved variation in the causal effect with the population.

Question

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The Answer of Heterogeneous population
A)implies that heteroskedasticity-robust standard errors must be used.
B)suggest that multiple characteristics must be used to describe the population.
C)effects can be captured through interaction terms.
D)refers to circumstances in which there is unobserved variation in the causal effect with the population.

Heterogeneous Population