In the C) part of the question the assignment was to present a DiD estimation, t
ID: 3268726 • Letter: I
Question
In the C) part of the question the assignment was to present a DiD estimation, the the effects of the teacher investment on student performance. More info then that should not be needed to answer the e) part.
Question #2 low-performing schools in the country. The purpose of the intervention was to improve the students' outcomes through raising the skills of the existing teachers at these schools. You have been appointed as an econometrician to evaluate the effects of these teacher investments on the students' performance. The first row of the table below provides average test scores (from a national achievement test) for students graduating from the treated schools in 2014 as well as in 2011. The second row provides the same outcomes for students graduating from a group of schools that did not take part of the intervention 2011 2014 Difference Treated schools Untreated schools Difference Note: Standard errors are in parenthesis. 38.56 37.83 0.73 37.14 30.94 6.20 6.89 an. ( 5.47 (2.26) 6.20 - > 194Explanation / Answer
Difference in difference estimate = (37.14 - 30.94) - ((38.56 - 37.83)
= 6.2 - 0.73
= 5.47
Difference in difference estimate = 5.47
Interpretation - Difference in difference estimate 5.47 means purpose of raising the skills of existing teachers at these schools shows good improvement in the students outcome therefore effect of the teacher investments on the studets is positive.