A Three Part Managerial Cost Accounting Lecture

For many accountants there is confusion and a lack of consensus with how to allocate costs to products and service lines. I refer to this as “a mystery in a box to accountants”. To solve this mystery here are three lectures to accounting professionals and students from a skilled and experienced accountant – me – that explains the problem and how to solve it. Even if you believe you have already ‘graduated’ from a “Cost Accounting” course in college or have a CPA, I encourage you to sit in the back of our virtual lecture hall and audit these three lectures.

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Little’s Law (LL)

“LL states that the long-term average number of customers in a stable system L is equal to the long-term average effective arrival rate, λ, multiplied by the average time a customer spends in the system, W.

Expressed algebraically, LL appears quite simple: L = λ W

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Jevons Paradox (JP)

“More efficient you make a resource the greater the demand for it”

“JP is named after William Jevons, who observed in the 19th century that an increase in the efficiency of using coal to produce energy tended to increase consumption, rather than reduce it. Why? Because, Jevons argued, the cheaper price of coal-produced energy encouraged people to find innovative new ways to consume energy.”

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