Ivan Korolev Binghamton University   Department of Economics, Binghamton University 4400 Vestal Parkway East, PO Box 6000 Binghamton, NY 13902-6000 USA   ikorolev@binghamton.edu   https://sites.google.com/view/ivan-korolev/home           JEL Areas: C1 : Econometric and Statistical Methods: General C2 : Single Equation Models; Single Variables: General