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Tyler Cowen , a professor of economics at George Mason University and the author of '' Good and Plenty : The Creative Successes of American Arts Funding , '' said there was little solid research measuring the economic impact of arts centers on a city , although there was for sports stadiums .
 person of company: Tyler Cowen, George Mason University
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 person of company: Tyler Cowen, George Mason University