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So they have by and large kept their distance from proposals like the one developed by Peter A. Diamond of the Massachusetts Institute of Technology and Peter R. Orszag of the Brookings Institution , two liberal economists .
 person of company: Peter R. Orszag, Brookings Institution; person of company: Peter A. Diamond, Massachusetts Institute of Technology
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Peter R. Orszag, Brookings Institution; Peter A. Diamond, Massachusetts Institute of Technology 
Answer:
 person of company: Peter R. Orszag, Brookings Institution; person of company: Peter A. Diamond, Massachusetts Institute of Technology