Introduction
The notion of supply chain has been
existing since the businesses were organized in
such a way that finished products or goods be
delivered to the end customers while the
notion of suply chain management (SCM)
arose in 1982 and was developed by two
consultants: R. Oliver şi M. Webber. To get to
know the relationship between suppliers and
customers is crucial because of the two
reasons: first, the supplier can establish an
advantageous market by focusing on profitable
customers and second, the costing is used to
evaluate customers based on the services they
benefit from and also on the capacity to trace
and understand this costing by taking into
account the actual costs. This approach
enabled many companies to significantly
improve the price limits to their key
customers.
It is more than two decades since
companies have successfully developed
Activity-Based Costing Systems for the
logistics activities.The Activity based costing
(ABC) assigns organizational activity costs to
products, customers and distribution channels.
The links between them are not known in
advance and this is why the global
expenditures of each activity of a department
must be identified. Activity based costing first
assigns costs to the activities that are the real
cause of the overhead. With the very dynamic
and complex businesses, many of the
companies have abandoned activity-based
costing method since they most of the time
failed in identifying the complexity of each
activity involved ; also because the method
required a great deal of time to implement or
because it is much too expensive to build up
and maintain (Kaplan and Anderson, 2004).. In
order to solve out this error, Kaplan and
Anderson introduced the notion of Time Driven
Activity Based Costing (TDABC). This is the
method that enables identification of complex
and special transactions in a simple manner by
the means of time equation.
The goal of this paper is to give an
answer to the following questions: Is TDABC
more capable to feature the complexity of
logistics transactions ? Does TDABC remove
the deficiencies of ABC method ? To answer
these questions, I will first have an overview of
ABC traditional method and focus on the
difficulties that might appear in its employment
and I will thereafter develop the mathematics
model based on TDABC.
In terms of how interesting this topic is,
we consider it can be summed up by this quote:
“A thing has no value because of its cost, as
one could assume, but it costs because of it
bears value.” - Etienne Bonnot Condillac -
Oeuvres Complètes - 1798. The analysis and
cost management were the subject of multiple
research efforts, which have led to significant
advances in this field. The most recent
methods, such as the TABC approach try to
solve the shortcomings of the traditional
methods of cost calculation.
Cost management is always a topical issue,
especially in Romania, because the cost is a
synthetic indicator, more difficult to be
analyzed than other quantitative indicators
which are closer to our mentality.
IntroductionThe notion of supply chain has beenexisting since the businesses were organized insuch a way that finished products or goods bedelivered to the end customers while thenotion of suply chain management (SCM)arose in 1982 and was developed by twoconsultants: R. Oliver şi M. Webber. To get toknow the relationship between suppliers andcustomers is crucial because of the tworeasons: first, the supplier can establish anadvantageous market by focusing on profitablecustomers and second, the costing is used toevaluate customers based on the services theybenefit from and also on the capacity to traceand understand this costing by taking intoaccount the actual costs. This approachenabled many companies to significantlyimprove the price limits to their keycustomers.It is more than two decades sincecompanies have successfully developedActivity-Based Costing Systems for thelogistics activities.The Activity based costing(ABC) assigns organizational activity costs toproducts, customers and distribution channels.The links between them are not known inadvance and this is why the globalexpenditures of each activity of a departmentmust be identified. Activity based costing firstassigns costs to the activities that are the realcause of the overhead. With the very dynamicand complex businesses, many of thecompanies have abandoned activity-basedcosting method since they most of the timefailed in identifying the complexity of eachactivity involved ; also because the methodrequired a great deal of time to implement orbecause it is much too expensive to build upand maintain (Kaplan and Anderson, 2004).. Inorder to solve out this error, Kaplan andAnderson introduced the notion of Time DrivenActivity Based Costing (TDABC). This is themethod that enables identification of complexand special transactions in a simple manner bythe means of time equation.The goal of this paper is to give ananswer to the following questions: Is TDABCmore capable to feature the complexity oflogistics transactions ? Does TDABC removethe deficiencies of ABC method ? To answerthese questions, I will first have an overview ofABC traditional method and focus on thedifficulties that might appear in its employmentand I will thereafter develop the mathematicsmodel based on TDABC.In terms of how interesting this topic is,we consider it can be summed up by this quote:“A thing has no value because of its cost, asone could assume, but it costs because of itbears value.” - Etienne Bonnot Condillac -Oeuvres Complètes - 1798. The analysis andcost management were the subject of multipleresearch efforts, which have led to significantadvances in this field. The most recentmethods, such as the TABC approach try tosolve the shortcomings of the traditionalmethods of cost calculation.Cost management is always a topical issue,especially in Romania, because the cost is asynthetic indicator, more difficult to beanalyzed than other quantitative indicatorswhich are closer to our mentality.
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