Publications

Article

Multi-Echelon Inventory Management Under Short-Term Take-or-Pay Contracts

By: Joel Goh and Evan L. Porteus

We extend the Clark–Scarf serial multi-echelon inventory model to include procuring production inputs under short-term take-or-pay contracts at one or more stages. In each period, each such stage has the option to order/process at two different cost rates; the cheaper... View Details

Keywords: Inventory Management; Multi-echelon Inventory Theory; Karush Lemma; Clark-Scarf Model; Convex Ordering Cost; Advance Commitments; Supply Chain

June 2010 (Revised January 2011)
Teaching Note

Scientific Glass Incorporated: Inventory Management (Brief Case)

By: Steven C. Wheelwright and William Schmidt

Teaching Note for 4208 View Details

Keywords: Inventory Control; Inventory Management; Materials Management; Order Processing; Warehousing; Logistics; Supply Chain Management

Article

Channel Integration, Sales Dispersion, and Inventory Management

By: Santiago Gallino, Antonio Moreno and Ioannis Stamatopoulos

We study the effects of the introduction of cross-channel functionalities on the overall sales dispersion of retailers and the implications of these effects for inventory management. To do that, we analyze data from a leading U.S. retailer who introduced a... View Details

Keywords: Retail Operations; Online Retail; Channel Integration; Sales Dispersion; Long Tail; Empirical Operations; Inventory Management; Omnichannel Retail; Marketing Channels; Integration; Sales; Logistics; Operations; Management; Retail Industry

September 2020 (Revised March 2022)
Case

JOANN: Joannalytics Inventory Allocation Tool

By: Kris Ferreira and Srikanth Jagabathula

Michael Joyce, Vice President of Inventory Management at JOANN, championed an effort to develop and implement an inventory allocation analytics tool that used advanced analytics to predict in-season demand of seasonal items for each of JOANN’s nearly 900 stores and... View Details

Keywords: Analytics; Machine Learning; Optimization; Inventory Management; Mathematical Methods; Decision Making; Operations; Supply Chain Management; Resource Allocation; Distribution; Technology Adoption; Applications and Software; Change Management; Fashion Industry; Consumer Products Industry; Retail Industry; United States; Ohio

February 2023
Supplement

Coats Dyehouse Management

By: Willy C. Shih

Coats, the largest thread maker in the world, transformed its business to digital colour measurement so that it could respond better to customer demand in the garment industry for rapid product cycles and more fragmented colour choices. Its embrace of digital colour... View Details

Keywords: Inventory Management; Supply Chain; Inventory; Supply Chain Management; Operations; Apparel and Accessories Industry; Asia

1999
Chapter

Managing Inventory for Fashion Products

By: A. Raman

Keywords: Logistics; Fashion Industry

January 2014
Other Article

The Answer is 9,142: Understanding the Influence of Disruption Risk on Inventory Decision Making

By: Mark Cotteleer, Maria Ibanez and Geri Gibbons

The question was how many units of inventory a manager should order when faced with a possible disruption in supply. The correct answer is not guesswork, but based on 150 years of theory and practice. We examine individual choices made in this critical situation—and... View Details

Keywords: Behavioral; Behavioral Operations; Inventory; Bias; Operations Management; Operations

Read Now

26 Jun 2017
Working Paper Summaries

Inventory Management for Mobile Money Agents in the Developing World

Keywords: by Karthik Balasubramanian, David F. Drake, and Douglas Fearing; Financial Services; Banking

2015
Working Paper

Service Quality, Inventory and Competition: An Empirical Analysis of Mobile Money Agents in Africa

By: Karthik Balasubramanian and David F. Drake

The use of electronic money transfer through cellular networks ("mobile money") is rapidly increasing in the developing world. The resulting electronic currency ecosystem could improve the lives of the estimated 2 billion people who live on less than $2 a day by... View Details

Keywords: Operations Strategy; Base Of The Pyramid; Mobile Money; Inventory Management; Competition; Currency; Service Operations; Mobile and Wireless Technology

SSRN

2017
Working Paper

Inventory Management for Mobile Money Agents in the Developing World

By: Karthik Balasubramanian, David F. Drake and Douglas Fearing

Mobile money systems, platforms built and managed by mobile network operators to allow money to be stored as digital currency, have burgeoned in the developing world as a mechanism to transfer money electronically. Mobile money agents exchange cash for electronic value... View Details

Keywords: Currency; Mobile Technology; Market Platforms; Developing Countries and Economies

SSRN

Read Now

October 1992 (Revised September 1993)
Case

L.L. Bean, Inc.: Item Forecasting and Inventory Management

By: Arthur Schleifer Jr.

L.L. Bean must make stocking decisions on thousands of items sold through its catalogs. In many cases, orders must be placed with vendors twelve or more weeks before a catalog lands on a customer's doorstep, and commitments cannot be changed thereafter. As a result,... View Details

Keywords: Forecasting and Prediction; Risk Management; Cost Management; Risk and Uncertainty; Demand and Consumers; Order Taking and Fulfillment; Retail Industry; United States

Article

Integration of Online and Offline Channels in Retail: The Impact of Sharing Reliable Inventory Availability Information

By: Santiago Gallino and Antonio Moreno

Using a proprietary data set, we analyze the impact of the implementation of a “buy-online, pick-up-in-store” (BOPS) project. The implementation of this project is associated with a reduction in online sales and an increase in store sales and traffic. These results can... View Details

Keywords: Retail Operations; Inventory Availability; Empirical Operations Management; Business Analytics; Online Retail; Ecommerce; Operations; Management; Distribution Channels; Consumer Behavior; E-commerce; Retail Industry

11 Jan 2007
Working Paper Summaries

A Perceptions Framework for Categorizing Inventory Policies in Single-stage Inventory Systems

Keywords: by Noel Watson

2013
Working Paper

Inventory Management with Purchase Order Errors and Rework

By: Nathan Craig, Nicole DeHoratius, Yan Jiang and Diego Klabjan

SSRN

September 2023 (Revised February 2024)
Case

Accelerating with Caution: Forecasting and Managing birddogs' Growth

By: Mark Egan

As 2017 was drawing to a close, birddogs’ founder and CEO, Peter Baldwin, was working with his CFO Jack Sullivan to prepare for 2018. Their task at hand? To predict the demand for their product in the coming season, determine the appropriate investments in working... View Details

Keywords: Inventory; Working Capital; Forecasting and Prediction; Organizational Change and Adaptation; Financing and Loans; Apparel and Accessories Industry

Research Summary

Supply Chain Inventory Planning

My work studies management decision-making in demand and supply planning contexts with a focus on forecasting and inventory planning decisions. I examine these decision-making processes from both a supply chain (i.e. across firm) and an... View Details

April 1995 (Revised April 2008)
Teaching Note

L.L. Bean, Inc.: Item Forecasting and Inventory Management TN

By: Arthur Schleifer Jr.

Teaching Note for (9-893-003). View Details

April 2008
Journal Article

Inventory Record Inaccuracy: An Empirical Analysis

By: Nicole DeHoratius and Ananth Raman

This study explores the systematic variation in inventory record inaccuracy (IRI) observed both within and across stores. Traditional inventory models, with a few exceptions, do not account for the existence of IRI and those that do treat record inaccuracy as random.... View Details

Keywords: Information Management; Measurement and Metrics; Logistics; Retail Industry