Tutorials

Product Name Price
Failure Mode and Effect Analysis (FMEA) $5.00 Buy Now
This paper describes how the Failure Mode and Effect Analysis (FMEA) can be used to prioritize risk mitigation efforts. The paper also presents several criticisms of FMEA and distinguishes between process FMEA and design FMEA (DFMEA). The companion Excel workbook FMEA.xls provides a simple tool for an analysis.

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Forecast Error Economics for an Inventory Planning System $5.00 Buy Now
This paper develops a series of simple economic models for estimating the cost of a poor forecasting system. The paper considers the cost of the carrying inventory due to higher than needed safety stock and/or forecast bias and also the lost gross margin from customers due to inadequate safety stock. Through a series of models and discussions, the paper proposes a methodology for auditing and improving a forecasting system. The audit list in the last section should be a good tool for any firm desiring to audit its forecasting system. This paper is closely related to the paper entitled “Forecast Error Metrics.”

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Forecast Error Metrics $5.00 Buy Now
This paper defines and compares a wide number of different statistical approaches for measuring forecast error. The paper includes many of the newest measures including the Mean Absolute Scaled Error. The paper ends with several practical recommendations for metrics. This paper provides a very comprehensive treatment of this subject.

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Forecasting Demand Based on Price and Leadtime $5.00 Buy Now
A paper that develops a mathematical model for estimating the elasticities for both price and leadtime that can be used to forecast the demand for a product with a change in price and/or leadtime. This paper develops the mathematical model for the companion Excel workbook.

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Forecasting Lifetime Demand $5.00 Buy Now
This paper explains how to use a geometric series to forecast the lifetime demand for a product (or component) that has declining demand. Models are presented for situations with and without a termination date. This model has been implemented at a number of firms. The companion Excel workbook 'LIDS.xls' implements this model.

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Forecasting with Exponential Smoothing $5.00 Buy Now
This paper explains the Winters’ model for forecasting with exponential smoothing. The paper starts with simple (single) exponential smoothing, and then develops the double (with trend) and triple exponential (with trend and seasonality) smoothing models. The paper includes all of the equations for forecasting, demand filters, and tracking signals, which makes it easy to implement these equations in a forecasting system.

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Forecasting with the Theta Model $5.00 Buy Now
The winner in the last M competition was a new forecasting method called the Theta Model developed by Assimakopoulos and Nikolopoulos. The basic concept of the Theta Model is that it makes forecasts that are the average of a long-term forecast and a short-term forecast. This paper makes the model easy to understand and implement. The paper also offers some extensions of the model.

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Hard Questions for Process Improvement Program Champions $5.00 Buy Now
This paper was designed as a discussion document for process improvement leaders. It is simply a list of provocative questions that every process improvement program champion should be able to answer.

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How to Analyze a Case $5.00 Buy Now
This paper was written to give students a methodology for analyze a teaching case. This is useful for preparing for class discussion and also for preparing a written or verbal presentation of a case analysis.

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How to Conduct a Consulting Interview $5.00 Buy Now
This paper provides advice on how to handle a consulting interview. The paper is organized as follows: (1) preparing for the interview, (2) conducting the interview, (3) ending the interview, and (4) activities after the interview.

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How to Conduct a Post-Project Review $5.00 Buy Now
This paper provides advice on how to conduct a post-project review (also known as an after action review, lessons learned review, or project post-mortem). The paper emphasizes the need for a blame-free environment and for the need for learning for individuals, project leaders, project sponsors, sponsoring organization, and the wider organization. Quotes at the beginning of the paper:
“Action without reflection is a miscarriage of learning.”
“The bottleneck in most organizations today is the project management skill needed to move the needle on the organization’s most important strategic goals.”

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How to Create Values, Vision, and Mission Statements $5.00 Buy Now
A paper that explains how to create values, mission, and vision statements. This paper contrasts these different types of statements and provides practical guidance in how to create these statements.

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How to Evaluate the Benefits of a Process Improvement Project $5.00 Buy Now
This paper explains how to evaluate the hard financial benefits, soft financial benefits, hard non-financial benefits, and soft non-financial benefits of a process improvement project.

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How to Facilitate a Causal Mapping Workshop $5.00 Buy Now
This paper provides practical and detailed guidelines for how to facilitate a causal mapping workshop. This is a companion paper to the paper entitled “Causal Mapping.”

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How to Reduce Setup Time and Cost $5.00 Buy Now
This paper presents a number of practical ideas for how to reduce setup time and setup cost. The paper also discusses the benefits of reducing setup time and cost.

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How to Select Blackbelts $5.00 Buy Now
This paper lists the qualities for an ideal blackbelt (project leader) for a process improvement program. This document can be used as a checklist in evaluating potential blackbelts.

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How to Write a Teaching Case $5.00 Buy Now
This paper was written to help professors and other instructors learn how to write a case for teaching purposes.

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Inventory is Evil $5.00 Buy Now
Some senior executives challenge lean manufacturing “orthodoxy” and argue that “the cost of capital is so low right now that it no longer makes sense to reduce inventories.” In response to this challenge, this paper identifies ten benefits of reducing inventory even when interest rates are low.

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Inventory Management $5.00 Buy Now
This longer paper presents a complete discussion of both basic and advanced concepts for inventory management. The main section of the paper presents models for the economic order quantity and safety stock. The appendices explore a number of more advanced concepts.

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Inventory Turnover $5.00 Buy Now
A paper that discusses how to estimate inventory turnover and some common errors in using inventory turnover as a performance measure.

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