External links PERSON@1 , PERSON@2 , W. , and PERSON@3 , PERSON@4 , G. , NUMBER@1 , `` The Duel of Honor : Screening for Unobservable Social Capital , '' MISC@1 and Economics Review : NUMBER@2 -- NUMBER@3 .

PERSON@1 , PERSON@2 , W. , and PERSON@3 , PERSON@4 , G. , NUMBER@1 , `` The Duel of Honor : Screening for Unobservable Social Capital , '' MISC@1 and Economics Review : NUMBER@4 .
