Sentence examples for the parallel trends from inspiring English sources

The same as with all endogeneity problems, we cannot formally test the parallel trends assumption.

Since the parallel trends assumption cannot be empirically supported in the non-western immigrants sample, the estimates are unreliable.

When performing the individual DiD estimation on income, the parallel trends assumption is in the danger zone.

Due to the long period covered in the data, much credibility is gained since the parallel trends assumption can be tested thoroughly.

1998 will be used as the reference year, the parallel trends assumption can be tested using data for 1999 and 200012.

The State*Trend interactions relieve the statistical model of the parallel trends assumption, that is, it allows that workers located in different states may experience different wage trends.

And the incorporation of dance into the art world has been a recent phenomenon, part of the parallel trend of the incorporation of performance art into institutional settings.

The results were consistent with the primary analysis, confirming the accuracy of the parallel trend assumption.

To ensure the soundness of our DD design, first we test whether the parallel trend assumption is met.

Figure 4 illustrates the trends in proportion of childless white women in the three pseudo-cohorts by age to graphically test the parallel trend assumption.

We thus proved that the parallel trend assumption of the primary analysis holds even for the group of children and the rest of the population.