Essays on Causal Inference

The fundamental problem of causal inference You probably know the COVID-19 pandemic and the race between all the pharma companies to create a vaccine. There was a lot of talk about different phases of clinical trials and the effectiveness of various vaccines. In clinical trials, companies are trying to estimate the causal effect of giving a drug on patient’s health. Causal effect is the difference between what happened if the treatment was given and what would have happened if the treatment was not given ...