00337    a2200121   4500020001500000082001700015100001700032245005700049260004300106300002100149650001700170700002800187  a9251034176  a338.521bHAR  aHarrigan, J.  aAgricultural price policybgovernment and the market  aRomebFood and agriculturec1992g1992  aiv, 281p.c29cm.  aPRICE THEORY  aLoader, R.; Thirtle, C.