TY - BOOK AU - Hanson,Gordon H. AU - Slaughter,Matthew J. TI - The Rybczynski theorem, factor-price equalization, and immigration : evidence from U.S. states AV - HD5724 H367R PY - 1999/// CY - Cambridge, Mass PB - National Bureau of Economic Research KW - HECKSCHER, CHARLES C KW - OHLIN, BERTIL GOTTHARD KW - WAGES KW - UNITED STATES KW - ECONOMETRIC MODELS KW - EMIGRATION AND IMMIGRATION KW - ECONOMETRIC MODEL ER -