His research areas lie mainly within the areas of econometrics, identification, causal inference and labor economics. He has published his research in Journal of Applied Econometrics, Economics Letters, Computational Economics and Empirical Economics. Lafférs has also presented his research at Cambridge University, University College London, Paris School of Economics and Toulouse School of Economics among other places. His teaching covers mostly data science courses (Linear Regression 1 and 2, Probability Theory, Stochastic Processes).