00525nam a2200181   450000500170000000700040001700800040002102000150002504000090004005000200004910000180006924500750008726000530016230000230021550000400023865000380027870000270031620150604113951.0000000  a0264780111  aUOEL  aHD82b.O55 1964  aOkun, Bernard  aStudies in economic development /cBernard Okun, Richard W. Richardson  aNew York ;bHolt ,Rinehart and Winston ,cc1964.  aix, 498 p. :bill.  aIncludes bibliographical references  aEconomic developmentxMathematics  aRichardson, Richard W.