Lester D. Taylor is Emeritus Professor of Economics at the University of Arizona, where he taught for 36 years. He holds a B.A. in Economics and Mathematics from the University of Iowa (1960) and a Ph.D. in Economics from Harvard University (1963). Before joining Arizona, he taught at both Harvard and the University of Michigan. His career includes service as a senior staff economist at the President’s Council of Economic Advisers (1964–65) and as an advisor to the Ministry of Planning in Colombia (1967–68), as part of a Harvard-led economic development team. Professor Taylor’s research has focused extensively on the econometric estimation of price and income elasticities—particularly in the electricity and telecommunications sectors—as well as on household consumption and saving behavior. He is the author or co-author of more than 80 journal articles and over a dozen books.