00726nam0-22002531i-450-990003190660403321000319066FED01000319066(Aleph)000319066FED0100031906620000920d--------km-y0itay50------baitaITSelf-Selection and Internal Migration in the United StatesGeorge J. BorjasWorking paper seriesNBER4002Borjas,George J.<1950- >ITUNINARICAUNIMARCBK990003190660403321PaperSESSESSelf-Selection and Internal Migration in the United States453632UNINAING01