Question: Is there any difference in relapse of orthodontic treatment results, between three different retention methods, in patients who have completed orthodontic fixed appliance treatment for ...

In this research, we propose the Difference-in-Differences Subset Scan (DiD-Scan), which finds subregions of the observed covariate space corresponding to anomalous patterns in the conditional mean ...

In this systematic review and meta-analysis, estimated blood pressure was found to vary significantly between different ...

Background: Difference-in-differences (DID) estimation has become increasingly popular as an approach to evaluate the effect of a group-level policy on individual-level outcomes. Several statistical ...

Many of the challenges in the estimation of dynamic heterogeneous treatment effects can be resolved with local projection (LP) estimators of the sort used in applied macroeconometrics. This approach ...

Spatial methods were used not only to derive data and choose appropriate observations but also to compare global and local versions of the analysis to assess spatial patterns and differences in ...

This paper investigates the heterogenous effects of budget balance rules on fiscal policy in a large sample of countries. To derive country-specific treatment effects of fiscal rules and conduct ...

Abstract Difference-in-differences analysis with staggered treatment timing is frequently used to assess the impact of policy changes on corporate outcomes in academic research. However, recent ...