Free Access
In This Issue

Pages:568–570, 735

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.568

OR Forum

Free Access
Twenty Years of Routing and Scheduling

Pages:571–579

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.571

OR Practice

Free Access
Estimating the Impact of Efficiency Standards on the Uncertainty of the Northwest Electric System

Pages:580–597

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.580

Research Article

Optimal Contract Period for Priority Service

Pages:598–606

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.598

An Approach to Planning for Physician Requirements in Developing Countries Using Dynamic Programming

Pages:607–618

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.607

Aggregation and Disaggregation in Integer Programming Problems

Pages:619–623

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.619

Efficient Shortest Path Simplex Algorithms

Pages:624–628

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.624

Fixed Cycle Scheduling: A Solvable Problem with Empty Precedence Structure

Pages:629–633

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.629

The Structure of Periodic Review Policies in the Presence of Random Yield

Pages:634–643

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.634

A Dynamic Lot Sizing Model with Learning in Setups

Pages:644–655

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.644

Monopolistic Pricing and the Learning Curve: An Algorithmic Approach

Pages:656–666

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.656

Priority Queues with Setup Times

Pages:667–677

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.667

Simple Approximations for the Batch-Arrival Mx/G/1 Queue

Pages:678–685

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.678

On the Single Resource Capacity Problem for Multi-Item Inventory Systems

Pages:686–693

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.686

On the Optimal Allocation of Servers and Workloads in Closed Queueing Networks

Pages:694–703

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.694

A Capacity Improvement Lower Bound for Fixed Charge Network Design Problems

Pages:704–710

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.704

The Joint Replenishment Problem: New Heuristics and Worst Case Performance Bounds

Pages:711–723

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.711

Technical Note

Free Access
Optimal Control of the Vacation Scheme in an M/G/1 Queue

Pages:724–728

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.724

Research Article

How Errors in Component Reliability Affect System Reliability

Pages:728–732

Published Online:August 1, 1990

https://doi.org/10.1287/opre.38.4.728

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