Recently, "DID; Difference-In-Difference" estimation method in the Treatment/Causal Effect has been regarded as one of the emerging and powerful methods for policy impact assessment, that estimates ...

This analysis used a difference-in-difference (DID) fixed effects regression model to evaluate the impact of Medicaid Expansion on the disparity between black and white breast cancer mortality rates.

Setting Acute care hospitals in England. Design Difference-in-differences analysis (using a control group created from trusts in England and providers in Scotland not implementing payment by results ...

We present a collection of stability results for finite difference approximations to the advection-diffusion equation ut = aux + buxx. The results are for centered difference schemes in space and ...

The hazard ratio estimate is routinely used to empirically quantify the between-group difference under the assumption that the ratio of the two hazard functions is approximately constant over time.