Tsangyao Chang is a distinguished professor of finance at the department of finance, Feng Chia University, Taiwan. He received his PhD degree from the department of economics, Utah State University, UT, USA. His expertise includes behavioral finance, global marketing, global economic analysis, macroeconomics, applied econometrics, and time series analysis. His research currently focuses on quantile regression and wavelet analysis in the field of economics and finance. Based on the IDEAS database, Prof. Chang ranks #1 in Taiwan (economic field) and #114 in Asia and in the top 5% around the world in the economic field (until 6/2022).