Aman Ullah is a Professor in the Department of Economics at the University of California, Riverside. Earlier, he was a Professor at the University of Western Ontario, Canada and also taught at the Southern Methodist University. He received the Ph.D. degree (1971) in economics from Delhi School of Economics and M.A. in Mathematical Statistics form Lucknow University. A Fellow of the National Academy of Sciences (India), he is the co-author, editor, and co-editor of seven books and the author or co-author of over 100 professional resources papers in economics, econometrics and statistics. He<...