00318nam a2200121 a 450000500170000002000150001708200160003210000220004824500440007025000110011426000440012530000270016920251203110200.0  a8120301412  a330.01bBAU  aBaumol, William J  aEconomic theory and operations analysis  a4th ed  aNew DelhibPrentice-Hall of Indiac1999  axxi, 695p.c23 cm P.B.