00452cam a22001454a 4500020001500000050001800015100001800033245007300051250001200124260006300136300003700199500002000236650002600256700002400282  a013186015100aHD 30.22bKEA1 aKeat, Paul G.10aManagerial economics :beconomic tools for today's decision makers /  a5th ed.  aUpper Saddle River, N.J. :bPearson Prentice Hall,cc2006.  axx, 571 pages :bIllustrations ;  aIncludes index. 0aManagerial economics.1 aYoung, Philip K. Y.