Here's my latest, and final, list of suggested reading: Bellego, C. and L-D. Pape , 2019. Dealing with the log of zero in regression models. CREST Working Paper No. 2019-13. Castle, J. L., J. A. Doornik, and D. F. Hendry , 2018. Selecting a model for forecasting. Department of Economics, University of Oxford, Discussion Paper 861. Gorajek, A. , 2019. The well-meaning economist. Reserve Bank of Australia, Research Discussion Paper RDP 2019-08. Güriş, B. , 2019. A new nonlinear unit root test with Fourier function. Communications in Statistics - Simulation and Computation , 48, 3056-3062. Maudlin, T. , 2019. The why of the world. Review of The Book of Why: The New Science of Cause and Effect , by J. Pearl and D. Mackenzie. Boston Review . Qian, W., C. A. Rolling, G. Cheng, and Y. Yang , 2019. On the forecast combination puzzle. Econometrics , 7, 39. © 2019, David E. Giles