Double Marginalization and the Decentralized Supply Chain Revisited
Double Marginalization and the Decentralized Supply Chain Revisited
As the point of convergence of multiple stakeholder interests and the seemingly disparate (some would say contradictory) strategies that define today’s partinioned enterprises, the intent of the article when it was first published was to create an awareness of a concept that up until that point was not widely recognized, let alone understood by the majority of purchasing professionals.
Since then, and in combination with the follow-up posts Double Marginalization and the Point of Ideal Price Viability (August 10, 2007 and August 23, 2007), as well as complimentary articles such as The Continuing Dangers of Vendor Rationalization (November 27, 2007), interest in the subject of Double Marginalization has even surpassed that of Green or Sustainable Procurement.
Based on this, I would invite you to once again stroll down the road of what to many is still uncharted territory and discover why double marginalization is something with which the newly empowered procurement professional should become familiar.
Double Marginalization and the Decentralized Supply Chain – Reprinted from August 9, 2007
Double marginalization is defined as the “exercise of market power at successive vertical layers in a supply chain.” Dating back to Lerner (1934) the problem that arises as a result of double marginalization is tied to an impetus to mark up the product’s price above marginal cost. According to a 2005 Caltech paper (Vertical Integration of Successive Monopolists: A Classroom Experiment) the sequence of mark-ups “leads to a higher retail price and lower combined profit for the supply chain than would arise if the firms were vertically integrated.”
In short, double marginalization drives the paradoxical outcome of higher buyer prices with lower seller profits. However the paper’s suggestion that vertically integrated supply chains represent a sound response to the double marginalization issue is highly questionable.
This is due to the fact that vertically integrated supply chains are often inflexible in terms of responding to the diverse stakeholder dynamics that are reshaping the ways in which organizations buy and sell in the emerging global economy.
In a 2002 article Forrester Research’s Navi Radjou linked the lack of flexibility to the inherent problems of enterprise-centric applications from vendors such as Oracle. The specific problem is that batch-based supply-chain tools “can’t support swift resolution of supply chain glitches.” The reason he gave is that “these apps need time to collect and synthesize data from multiple sources – even those unaffected by the exception at hand.”
Radjou’s conclusion that unlike “static, linear supply networks, the emergence of “adaptive supply networks” which will be powered by multi-partner processes that are event driven, real-world aware and self-regulating” coincides with my conclusions in Parts 6 and 7 of the Dangerous Supply Chain Myths series. (If you have the time please read or re-read both Part 6 and 7.)
In those postings, I referred to the meta-enterprise application which can create “on-the-go” real-world metrics that can be reliably incorporated into all purchasing decisions on a real-time basis to the benefit of all stakeholders.
It is important not to confuse this with the widely touted Service Oriented Architectures (SOA) promoted by industry heavyweights such as Oracle (Project Fusion) and SAP (Safe Passage). The SOA promise is but a shadow of the real-time capabilities associated with the dynamically synchronized meta-enterprise application. Specifically the meta-enterprise application which even goes beyond the “loosely coupled” supply networks referenced in Radjou’s article adapts to and therefore seamlessly integrates the multi-stakeholder supply chain. (Note: the term loose coupling has ironically evolved into the definition used to describe Service Oriented Architectures.)
Reversing Double Marginalization?
Referencing the findings of a 2005 Berkley paper (Strategic customer behavior, commitment, and supply chain performance) the authors concluded that a “centralized supply chain may perform strictly worse than a decentralized supply chain” when customers are strategic in their buying patterns. While the references were mostly focused on retail sector customers, it is not unreasonable to conclude that this buying pattern can to varying degrees be extended to all industries as a result of the increasing scrutiny of purchasing practices within both private and public sector organizations.
Unfortunately, the Berkley conclusion that “double marginalization may benefit decentralized systems” is flawed within the context of a Metaprise-centric supply chain. In short, they came to the right conclusions (re decentralized systems) for the wrong reasons (that “reduced stocking intensifies the threat of stock-outs and thus also increases consumers’ willingness-to-pay”). Allow me to explain.
Referring once again to the Caltech 2005 “Classroom Experiment” paper, the authors indicated that the problem with double marginalization arises when “more than one firm in the supply chain faces a downward sloping demand curve and has the incentive to mark-up the product’s price.” According to a Robert Schenk paper, a downward sloping demand curve occurs when a buyer must “expend time and effort to discover prices or the characteristics of the product.” As a result, once the buyer has picked a seller they will “stay with that supplier as long as they find the exchange satisfactory.” It is the prospect of a lengthy research process that stifles buyer willingness to look elsewhere while simultaneously fueling supplier motivation to increase price. As a result when multiple firms within a particular supply chain are in this position, the “sequence of mark-ups leads to a higher selling price and a lower combined profit for the supply chain.”
However, and this is where the Berkley crew went off track, in the decentralized (Metaprise-centric) supply chain, the research expenditure time on the part of the buyer is dramatically reduced. As a result not only is the propensity on the part of the supplier to increase prices kept in check, the threat of stock-outs is virtually eliminated as a result of the buyer’s ability to “reliably” engage a broader supply base.
Conclusion
With the advent of agent-based modeling and the emergence of the meta-enterprise application, we are entering a period of discontinuous innovation. Never before has the buyer had at their disposal the tools that equip them with critical intelligence on a real-time basis. This in turn creates both visibility and efficiency throughout the entire supply network. The end result is better prices for the buyer while still maintaining a fair and equitable level of profitability for the seller.
This of course eliminates a variety of problems including supply base erosion, myopic or narrowly defined costing practices, and diminishing end-customer service levels. It should also give senior executives a reason to possibly rethink a planned utilization of an outsourcing service for their purchasing requirements.
To obtain a copy of the Caltech paper send me an e-mail at jwhansen@sympatico.ca with “Caltech Paper” in the subject line. Use the same e-mail address to obtain a copy of the Berkley paper, only reference “Berkley Paper” in the subject line.
Double Marginalization and the Decentralized Supply Chain (White Paper)
Expanding on the concepts and methodologies that were first introduced in the critically acclaimed article above, this latest white paper from industry supply chain expert Jon Hansen provides needed insight into the impact that double marginalization has on the modern supply chain.
Based on years of exhaustive research and practical experience that was partially funded by the Government of Canada’s Scientific Research and Experimental Development (SR&ED) Program, these emerging elements of an effective supply practice will definitely interest and in some cases surprise you. Included are the specific details surrounding the discovery of the Point of Ideal Price Viability theory as well as the identification of the primary commodity characteristics and their impact on bottom line savings.
Contact the author to obtain your copy of Double Marginalization and the Decentralized Supply Chain White Paper.
Double Marginalization and the Decentralized Supply Chain Revisited - To learn more about this author, visit Jon Hansen's Website.
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Without a doubt, the concept of double marginalization and the resultant issues associated with understanding and addressing its impact represents one of the more complex elements of an organization’s supply chain practice.
As the point of convergence of multiple stakeholder interests and the seemingly disparate (some would say contradictory) strategies that define today’s partinioned enterprises, the intent of the article when it was first published was to create an awareness of a concept that up until that point was not widely recognized, let alone understood by the majority of purchasing professionals.
Since then, and in combination with the follow-up posts Double Marginalization and the Point of Ideal Price Viability (August 10, 2007 and August 23, 2007), as well as complimentary articles such as The Continuing Dangers of Vendor Rationalization (November 27, 2007), interest in the subject of Double Marginalization has even surpassed that of Green or Sustainable Procurement.
Based on this, I would invite you to once again stroll down the road of what to many is still uncharted territory and discover why double marginalization is something with which the newly empowered procurement professional should become familiar.
Double Marginalization and the Decentralized Supply Chain – Reprinted from August 9, 2007
Double marginalization is defined as the “exercise of market power at successive vertical layers in a supply chain.” Dating back to Lerner (1934) the problem that arises as a result of double marginalization is tied to an impetus to mark up the product’s price above marginal cost. According to a 2005 Caltech paper (Vertical Integration of Successive Monopolists: A Classroom Experiment) the sequence of mark-ups “leads to a higher retail price and lower combined profit for the supply chain than would arise if the firms were vertically integrated.”
In short, double marginalization drives the paradoxical outcome of higher buyer prices with lower seller profits. However the paper’s suggestion that vertically integrated supply chains represent a sound response to the double marginalization issue is highly questionable.
This is due to the fact that vertically integrated supply chains are often inflexible in terms of responding to the diverse stakeholder dynamics that are reshaping the ways in which organizations buy and sell in the emerging global economy.
In a 2002 article Forrester Research’s Navi Radjou linked the lack of flexibility to the inherent problems of enterprise-centric applications from vendors such as Oracle. The specific problem is that batch-based supply-chain tools “can’t support swift resolution of supply chain glitches.” The reason he gave is that “these apps need time to collect and synthesize data from multiple sources – even those unaffected by the exception at hand.”
Radjou’s conclusion that unlike “static, linear supply networks, the emergence of “adaptive supply networks” which will be powered by multi-partner processes that are event driven, real-world aware and self-regulating” coincides with my conclusions in Parts 6 and 7 of the Dangerous Supply Chain Myths series. (If you have the time please read or re-read both Part 6 and 7.)
In those postings, I referred to the meta-enterprise application which can create “on-the-go” real-world metrics that can be reliably incorporated into all purchasing decisions on a real-time basis to the benefit of all stakeholders.
It is important not to confuse this with the widely touted Service Oriented Architectures (SOA) promoted by industry heavyweights such as Oracle (Project Fusion) and SAP (Safe Passage). The SOA promise is but a shadow of the real-time capabilities associated with the dynamically synchronized meta-enterprise application. Specifically the meta-enterprise application which even goes beyond the “loosely coupled” supply networks referenced in Radjou’s article adapts to and therefore seamlessly integrates the multi-stakeholder supply chain. (Note: the term loose coupling has ironically evolved into the definition used to describe Service Oriented Architectures.)
Reversing Double Marginalization?
Referencing the findings of a 2005 Berkley paper (Strategic customer behavior, commitment, and supply chain performance) the authors concluded that a “centralized supply chain may perform strictly worse than a decentralized supply chain” when customers are strategic in their buying patterns. While the references were mostly focused on retail sector customers, it is not unreasonable to conclude that this buying pattern can to varying degrees be extended to all industries as a result of the increasing scrutiny of purchasing practices within both private and public sector organizations.
Unfortunately, the Berkley conclusion that “double marginalization may benefit decentralized systems” is flawed within the context of a Metaprise-centric supply chain. In short, they came to the right conclusions (re decentralized systems) for the wrong reasons (that “reduced stocking intensifies the threat of stock-outs and thus also increases consumers’ willingness-to-pay”). Allow me to explain.
Referring once again to the Caltech 2005 “Classroom Experiment” paper, the authors indicated that the problem with double marginalization arises when “more than one firm in the supply chain faces a downward sloping demand curve and has the incentive to mark-up the product’s price.” According to a Robert Schenk paper, a downward sloping demand curve occurs when a buyer must “expend time and effort to discover prices or the characteristics of the product.” As a result, once the buyer has picked a seller they will “stay with that supplier as long as they find the exchange satisfactory.” It is the prospect of a lengthy research process that stifles buyer willingness to look elsewhere while simultaneously fueling supplier motivation to increase price. As a result when multiple firms within a particular supply chain are in this position, the “sequence of mark-ups leads to a higher selling price and a lower combined profit for the supply chain.”
However, and this is where the Berkley crew went off track, in the decentralized (Metaprise-centric) supply chain, the research expenditure time on the part of the buyer is dramatically reduced. As a result not only is the propensity on the part of the supplier to increase prices kept in check, the threat of stock-outs is virtually eliminated as a result of the buyer’s ability to “reliably” engage a broader supply base.
Conclusion
With the advent of agent-based modeling and the emergence of the meta-enterprise application, we are entering a period of discontinuous innovation. Never before has the buyer had at their disposal the tools that equip them with critical intelligence on a real-time basis. This in turn creates both visibility and efficiency throughout the entire supply network. The end result is better prices for the buyer while still maintaining a fair and equitable level of profitability for the seller.
This of course eliminates a variety of problems including supply base erosion, myopic or narrowly defined costing practices, and diminishing end-customer service levels. It should also give senior executives a reason to possibly rethink a planned utilization of an outsourcing service for their purchasing requirements.
To obtain a copy of the Caltech paper send me an e-mail at jwhansen@sympatico.ca with “Caltech Paper” in the subject line. Use the same e-mail address to obtain a copy of the Berkley paper, only reference “Berkley Paper” in the subject line.
Double Marginalization and the Decentralized Supply Chain (White Paper)
Expanding on the concepts and methodologies that were first introduced in the critically acclaimed article above, this latest white paper from industry supply chain expert Jon Hansen provides needed insight into the impact that double marginalization has on the modern supply chain.
Based on years of exhaustive research and practical experience that was partially funded by the Government of Canada’s Scientific Research and Experimental Development (SR&ED) Program, these emerging elements of an effective supply practice will definitely interest and in some cases surprise you. Included are the specific details surrounding the discovery of the Point of Ideal Price Viability theory as well as the identification of the primary commodity characteristics and their impact on bottom line savings.
Contact the author to obtain your copy of Double Marginalization and the Decentralized Supply Chain White Paper.
Double Marginalization and the Decentralized Supply Chain Revisited - To learn more about this author, visit Jon Hansen's Website.
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