Professor Pakes' research has been in industrial organization (I.O.), the economics of technological change and in econometric theory. He teaches courses in industrial organization and in econometrics. Recent empirical work includes an analysis of the impact of the break up of AT&T on productivity in the telecommunication equipment industry, an analysis of the impact of voluntary export restrictions on the profits and consumer welfare generated by the sales of new cars, and an analysis of the impact of the entry and exit of goods on the price index for personal computers.... Read more about Ariel Pakes