Fortunately, the difference-in-differences estimate of a treatment effect also can be reported/interpreted as:

A. the coefficient on an interaction term.
B. the ratio of t-stats.
C. the second stage estimates of two-stage least squares.
D. a simple difference in mean outcomes.


Answer: A

Biology & Microbiology

You might also like to view...

The control in an experiment

a. makes the experiment valid. b. is an additional replicate for statistical purposes. c. reduces the experimental errors. d. minimizes experimental inaccuracy. e. allows a mixed group of comparisons among different organisms for the experimental group.

Biology & Microbiology

Isometric contractions usually result in no movement of the skeleton or objects

Indicate whether the statement is true or false

Biology & Microbiology

What is an X-linked inheritance pattern? Use a specific example to explain the role of the father and mother in this

unique inheritance pattern and note the differential impact on male and female offspring. What will be an ideal response?

Biology & Microbiology

The Retinal Pigment Epithelium (RPE) performs all of the following functions, EXCEPT

A. Absorption of Excess Light B. Bridge the Gap between the Choroid and the Photoreceptors C. Maintenance of the Blood-Retina Barrier D. Phagocytosis of Old Cone & Rod Segments E. Storage of Vitamin D

Biology & Microbiology