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Precisely Wrong

Precisely Wrong: Why Conventional Planning Systems Fail


At the heart of most supply chains lies a planning tool called Material Requirements Planning (MRP). Invented in the 1950s, codified in the 1960s and commercialized in the 1970s, MRP became THE way of life for supply order generation and synchronization. What used to take teams of people weeks to plan could be done overnight with incredible precision. Yet planners and buyers that interact with MRP everyday know that something is very wrong. They may not be able to explain exactly why but they know that if they did exactly what MRP told them to do, it would have disastrous consequences for their company and for their career. What if there was one fatal flaw in MRP that makes it completely incapable of conveying relevant information? What if correcting this one fatal flaw allowed the promise of MRP to be attained? Precisely Wrong: Why Conventional Planning Systems Fail will reveal this fatal flaw and trace its impact to everyday situations encountered by planners and buyers. Additionally, an elegant solution to overcome this flaw will be discovered. Readers will walk away with a new depth of understanding about conventional planning systems and a list of things they can begin to implement the very next day.



  • Condition: --
    HPB condition ratings
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    • Good (G): Average used book with all pages present. Possible loose bindings, highlighting, cocked spine or torn dust jackets. Used textbooks do not come with supplemental materials.
    • Fair (FR): Obviously well-worn, but no text pages missing. May be without endpapers or title page. Markings do not interfere with readability. Used textbooks do not come with supplemental materials.
    • Poor (P): All text is legible but may be soiled and have binding defects. Reading copies and binding copies fall into this category. Used textbooks do not come with supplemental materials.
    Conditions Guide
  • Format: Paperback
  • Sold by: --
  • Language: English
  • Publisher: Industrial Pr
  • ISBN-13: 9780831136185
  • ISBN: 0831136189
  • Publication Year: 2017
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HPB condition ratings
  • New: Item is brand new, unused and unmarked, in flawless condition.
  • Fine/Like New (F): No defects, little usage. May show remainder marks. Older books may show minor flaws.
  • Very Good (VG): Shows some signs of wear and is no longer fresh. Attractive. Used textbooks do not come with supplemental materials.
  • Good (G): Average used book with all pages present. Possible loose bindings, highlighting, cocked spine or torn dust jackets. Used textbooks do not come with supplemental materials.
  • Fair (FR): Obviously well-worn, but no text pages missing. May be without endpapers or title page. Markings do not interfere with readability. Used textbooks do not come with supplemental materials.
  • Poor (P): All text is legible but may be soiled and have binding defects. Reading copies and binding copies fall into this category. Used textbooks do not come with supplemental materials.
Conditions Guide
HPB condition ratings
  • New: Mint condition or still sealed (SS). Absolutely perfect in every way. New.
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  • Good (G): Attractive and well cared for, but no longer fresh. Minor signs of wear, scuffing or scratching, but will play almost perfectly. For vinyl: barely detectable crackles or pops.
  • Fair (FR): This item is in okay condition. For vinyl: good is not so good and the record may have low level crackles or pops when playing. CD: one or more tracks may skip.
  • Poor (P): Obviously well-worn and handled. Most vinyl collectors will not buy good or below, but some tracks on CD or vinyl will play.
Conditions Guide
HPB condition ratings
  • New: This movie is unopened and brand new.
  • Fine/Like New (EX): Near new. No defects, little sign of use. Plays perfectly. Not necessarily sealed or unused, but close. No skipping; no fuzzy or snowy frames in VHS.
  • Very Good (VG): Attractive and well cared for but no longer fresh. Minor signs of wear, but will play almost perfectly. For VHS: barely detectable distortion or very few fuzzy or snowy frames.
  • Good (G): This item is in okay condition and basically works well. There may be some minor distortion on VHS tape; slight scratching or wear on DVD.
  • Fair (FR): Basically plays, but may be obviously well-worn with some scratching or tape distortion.
  • Poor (P): Disc or tape is intact, but may be scratched or stretched. There may be skips or distortion or product defects.
Conditions Guide
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