The interpretation of the coefficients in a distributed lag regression as causal dynamic effects hinges on
A) the assumption that X is exogenous
B) not having more than four lags when using quarterly data
C) using GLS rather than OLS
D) the use of monthly rather than annual data
Question 2
GLS
A) results in smaller variances of the estimator than OLS if the regressors are strictly exogenous.
B) is the same as OLS using HAC standard errors.
C) can be used even if the regressors are not strictly exogenous.
D) can be used for time-series estimation, but not in cross-sectional data.
The effects of germ-line versus somatic cell mutations.
Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o
Physiological effects of the accumulation of lactose in the intestines of a lactose-intolerant indiv
The Hanuman langur, a widely distributed Asian colobine.
Effects of Varying Ratios of Cannabidiol and THC in Marijuana
Some mechanisms of agonistic and antagonistic drug effects.