Yuji Nakano is Emeritus Professor at Shiga University, with the Faculty of Economics, where he has made significant contributions to the field of economics. His most recent research was on the nonlinear causal analysis of economic time series. Osamu Morita is currently a guest Professor at Fukuoka University, who specializes in meteorology, physics, and earth and planetary sciences. He is particularly known for his work in geophysical fluid dynamics, the processes governing the movement of fluids on Earth, such as oceans and the atmosphere.