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- George L. Nemhauser, Laurence A. Wolsey, Marshall L. Fisher
- Math. Program.
- 1978

Let N be a finite set and z be a real-valued function defined on the set of subsets of N that satisfies z(S)+z(T)>-z(SUT)+z(SnT) for all S, T in N. Such a function is called submodular. We consider the problem maXscN {z(S): IS[ <-K, z(S) submodular}. Several hard combinatorial optimization problems can be posed in this framework. For example, the problem of… (More)

- Marshall L. Fisher
- Operations Research
- 1994

- Marshall L. Fisher, Ramchandran Jaikumar
- Networks
- 1981

- Marshall L. Fisher, Ananth Raman
- Operations Research
- 1996

- Marshall L. Fisher, George L. Nemhauser, Laurence A. Wolsey
- Operations Research
- 1979

- Vishal Gaur, Marshall L. Fisher, Ananth Raman
- Management Science
- 2005

Inventory turnover varies widely across retailers and over time. This variation undermines the usefulness of inventory turnover in performance analysis, benchmarking and working capital management. We develop an empirical model using financial data for 311 public-listed retail firms for the years 1987-2000 to investigate the correlation of inventory… (More)

This paper is a computational study to investigate the value of coordinating production and distribution planning. The particular scenario we consider concerns a plant that produces a number of products over time and maintains an inventory of finished goods at the plant. The products are distributed by a fleet of trucks to a number of retail outlets at… (More)

- A. Gürhan Kök, Marshall L. Fisher
- Operations Research
- 2007

Assortment planning at a retailer entails both selecting the set of products to be carried and setting inventory levels for each product. We study an assortment planning model in which consumers might accept substitutes when their favorite product is unavailable. We develop an algorithmic process to help retailers compute the best assortment for each store.… (More)

- Marshall L. Fisher
- Math. Program.
- 1976