third, we welcome michelle hanlon, a professor of accounting at the massachusetts institute of technology sloan school of management. her research focuses on taxation and financial accounting. fourth, we'll hear from the national director of quantitative economics and statistics for earnst and young llp and the former director and chief economist for the treasury office of tax analysis. he leads a group of 24 quantitative anlive who's assist clients with tax and economic policy issues. and finally, we welcome mr. timothy heenan, the vice president for treasury and tax at praxair, inc. they provide the largest amount of gases for north and south american. he joined them from 2004 from . thank you all very much for your time today. the committee has received each of your written statements. they'll be made part of the formal hearing record. each of you will be recognized for five minutes for your oral remarks so mr. frit, we'll begin with you. you're recognized for five minutes. >> thank you. >> good morning. chairman camp, ranking member levin, i very much appreciate this opportunity to ap

and third welcome michelle hanlon, an associate professor of accounting at the massachusetts institute technology, sloan school of management. her research focuses on the intersection of taxation and financial accounting. and forth will hear from tom neubig, the national director of quantitative economics and statistics for ernst and young, and the former director and chief economist for the treasury's office of tax analysis. mr. neubig leads a group of 24 quantitative analysts who assist clients with tax and economic policy issues. finally, we welcome mr. timothy heenan, vice president for treasury and tax at praxair inc. praxair is the largest provider of industrial gases in north and south america. mr. heenan joined praxair inc. 2004 from earnest and young were hit last year a senior manager specializing in the development and implementation of international tax strategies. thank you all very much for your time today. the committee has received each of your written statement and they will be made part of the former hearing record. each of you will be recognized for five minutes for