TY - BOOK AU - Helmberger,Peter G. TI - Economic analysis of farm programs SN - 0079099459 (set) : AV - HD1761 .H475 1991 U1 - 338.1/873 20 PY - 1991/// CY - New York PB - McGraw-Hill KW - Agriculture and state KW - United States KW - Agricultural subsidies KW - Agriculture KW - Economic aspects KW - Mathematical models N1 - System requirements for computer disk (AGSEC): IBM PC or fully compatible computer; 256K RAM; any version of DOS; 130K disk space ER -