Empirical Economics published a special issue to celebrate Distinguished Professor of Economics Badi Baltagi’s myriad contributions to the field of econometrics, as well as his long service to the journal. The influential work carried out by Baltagi during the past four decades or so is recognized in the issue by nineteen peer-reviewed, state-of-the-art articles, written by some of the leading researchers in econometrics. The diversity of the topics covered in "Essays in honor of Professor Badi H. Baltagi" constitutes a testament to the wide-ranging scope of Baltagi's research interests and contributions.