Westerlund, J., Karabiyik, H. and Narayan, P. (2017). Testing for predictability in panels with general predictors Journal of Applied Econometrics, 32(3):554--574.
Marie, O. and Zölitz, U. (2017). 'High' achievers? Cannabis access and academic performance Review of Economic Studies, 84(3):1210--1237.
