# INFORMS

# Management Science

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Phone: +1-443-757-3500

Fax: 443-757-3515

Web page: http://www.informs.org/

Email:

More information through EDIRC

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**ISSN:**0025-1909

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### November 1988, Volume 34, Issue 11

**1400-1400 Correction to Reply---"Consider the Principal Finding: A Reply to William T. Ross" (Vol. 34, No. 5, May 1988, pp. 672--673)***by*Robin M. Hogarth & Spyros Makridakis**1401-1402 About Authors***by*anonymous

### October 1988, Volume 34, Issue 10

**1157-1168 The Speed and Cost of Industrial Innovation in Japan and the United States: External vs. Internal Technology***by*Edwin Mansfield**1169-1187 Comparative Invention Performance of Major Industrial Countries: Patterns and Explanations***by*Hans H. Glismann & Ernst-Jürgen Horn**1188-1201 The Adoption of the M-Form Organizational Structure: A Test of Imitation Hypothesis***by*Vijay Mahajan & Subhash Sharma & Richard A. Bettis**1202-1220 Reduced System Algorithms for Markov Chains***by*Ram Lal & U. Narayan Bhat**1221-1230 Multiple Shift Workforce Lower Bounds***by*Gerald J. Koop**1231-1251 Event Graph Modelling for Simulation with an Application to Flexible Manufacturing Systems***by*Robert G. Sargent**1252-1265 Managerial Influence in the Implementation of New Technology***by*Dorothy Leonard-Barton & Isabelle Deschamps**1266-1270 The Generalized Stein/Rubinstein Covariance Formula and Its Application to Estimate Real Systematic Risk***by*K. C. John Wei & Cheng F. Lee**1271-1272 Note---Can a Reduction in Set Up Costs Indeed Increase Total Costs?***by*Yigal Gerchak**1272-1273 Rejoinder---Rejoinder to the Note by Yigal Gerchak***by*Willard I. Zangwill**1273-1276 Note---A Note on "The Use of Categorical Variables in Data Envelopment Analysis"***by*Wagner A. Kamakura**1277-1277 Erratum to: Sharp Bounds and Simple Approximations for the Erlang Delay and Loss Formulas***by*Arie Harel**1278-1279 About Authors***by*anonymous

### September 1988, Volume 34, Issue 9

**1037-1053 The Effect of Unions on Productivity: U.S. Surface Mining of Coal***by*Patricia Byrnes & Rolf Färe & Shawna Grosskopf & C. A. Knox Lovell**1054-1066 Financial Planning Where the Firm's Demand for Funds is Nonstationary and Stochastic***by*John D. Martin & George Emir Morgan**1067-1079 Estimation Risk and Incentive Contracts for Portfolio Managers***by*Susan I. Cohen & Laura T. Starks**1080-1095 Rethinking the Product Portfolio: A Generalized Investment Model***by*Timothy M. Devinney & David W. Stewart**1096-1108 Strategies for the Probabilistic Lot-Sizing Problem with Service-Level Constraints***by*James H. Bookbinder & Jin-Yan Tan**1109-1120 On a Possible Benefit to Bid Takers from Using Multi-Stage Auctions***by*Richard Engelbrecht-Wiggans**1121-1138 M/G/c Queueing Systems with Multiple Customer Classes: Characterization and Control of Achievable Performance Under Nonpreemptive Priority Rules***by*A. Federgruen & H. Groenevelt**1139-1153 A One-Sided Double Screening Procedure Using Individual Unit Misclassification Error***by*Herbert Moskowitz & Hsien-Tang Tsai**1154-1156 About Authors***by*anonymous

### August 1988, Volume 34, Issue 8

**921-937 Optimal Strategic Pricing of Reproducible Consumer Products***by*Fernando Nascimento & Wilfried R. Vanhonacker**938-958 Determining Optimal Reorder Intervals in Capacitated Production-Distribution Systems***by*Peter L. Jackson & William L. Maxwell & John A. Muckstadt**959-972 Sharp Bounds and Simple Approximations for the Erlang Delay and Loss Formulas***by*Arie Harel**973-990 A Nonlinear Optimization Model of Water Allocation for Hydroelectric Energy Production and Irrigation***by*Gad Rabinowitz & Abraham Mehrez & Gideon Oron**991-1004 Joint Determination of Optimal Inventory and Quality Control Policy***by*Michael H. Peters & Helmut Schneider & Kwei Tang**1005-1022 Lagrangian Relaxation Methods for Solving the Minimum Fleet Size Multiple Traveling Salesman Problem with Time Windows***by*Jacques Desrosiers & Michel Sauvé & François Soumis**1023-1026 Note---On the Minimum of a Nonconvex Inventory Function***by*Chandrasekhar Das**1026-1029 Note---On Making the Illustration Illustrative: A Comment on Banker, Conrad and Strauss***by*Richard G. Frank**1029-1033 Note---A Note on Including Ordinal Relations Among Multipliers in Data Envelopment Analysis***by*Boaz Golany**1033-1033 Erratum---"Reply: Consider the Principal Finding": A Reply to William T. Ross (Vol. 34, No. 5, May 1988, pp. 672--673)***by*Robin M. Hogarth & Spyros Makridakis**1033-1033 Erratum---"Long Range Process Design and Compatibility Among Operations" (Vol. 34, No. 5, May 1988)***by*Jaya Singhal & Kalyan Singhal & James K. Weeks**1034-1035 About Authors***by*anonymous

### July 1988, Volume 34, Issue 7

**805-815 Defensive Marketing Strategies: An Equilibrium Analysis Based on Decoupled Response Function Models***by*K. Ravi Kumar & D. Sudharshan**816-835 Strategic Decision Processes in High Velocity Environments: Four Cases in the Microcomputer Industry***by*L. J. Bourgeois, III & Kathleen M. Eisenhardt**836-842 An Additive Group Utility for a Fund Manager***by*Robert F. Bordley**843-858 Algorithms for Scheduling a Single Machine to Minimize the Weighted Number of Late Jobs***by*C. N. Potts & L. N. Van Wassenhove**859-879 Mitigating End Effects in the Dynamic Vehicle Allocation Model***by*Richard E. Hughes & Warren B. Powell**880-895 Stock Allocation in a Two-Echelon Distribution System Or "What to Do Until Your Ship Comes In"***by*Peter L. Jackson**896-908 The Siting of Emergency Service Facilities with Workload Capacities and Backup Service***by*Hasan Pirkul & David A. Schilling**909-916 Note---When Does Lag Structure Really Matter ... Indeed?***by*Alain Bultez & Philippe Naert**917-918 Reply to "When Does Lag Structure Really Matter ... Indeed?"***by*Wesley A. Magat & John M. McCann & Richard C. Morey**919-920 About Authors***by*anonymous

### June 1988, Volume 34, Issue 6

**679-695 Decision Analysis: Practice and Promise***by*Ronald A. Howard**696-706 Blacklisting Social Science Departments with Poor Ph.D. Submission Rates***by*Richard A. Colombo & Donald G. Morrison**707-723 Competitive Maps: The Structure Underlying Asymmetric Cross Elasticities***by*Lee G. Cooper**724-733 Game-Theoretic Optimal Portfolios***by*Robert Bell & Thomas M. Cover**734-752 Forecasting with a Repeat Purchase Diffusion Model***by*Ambar G. Rao & Masataka Yamada**753-760 Component Commonality with Service Level Requirements***by*Yigal Gerchak & Michael J. Magazine & A. Bruce Gamble**761-773 A Continuous Review Model for an Inventory System with Two Supply Modes***by*Kamran Moinzadeh & Steven Nahmias**774-783 A Transportation Problem in Which Costs Depend on the Order of Arrival***by*Eric V. Denardo & Uriel G. Rothblum & Arthur J. Swersey**784-790 A Comparison of Two Elicitation Methods for a Prior Distribution for a Binomial Parameter***by*Umesh Gavasakar**791-796 Periodic Versus "Can-Order" Policies for Coordinated Multi-Item Inventory Systems***by*Derek R. Atkins & Paul O. Iyogun**797-800 The Value of Pre-Decision Side Bets for Utility Maximizers***by*David E. Bell**801-803 About Authors***by*anonymous

### May 1988, Volume 34, Issue 5

**555-568 An Experiment in Approval Voting***by*Peter C. Fishburn & John D. C. Little**569-582 Lead User Analyses for the Development of New Industrial Products***by*Glen L. Urban & Eric von Hippel**583-598 Information Technology and Organizational Change: Causal Structure in Theory and Research***by*M. Lynne Markus & Daniel Robey**599-618 Strategic Implications of Darwinian Economics for Selling Efficiency and Choice of Integrated or Independent Sales Forces***by*Erin Anderson**619-632 Long Range Process Design and Compatibility Among Operations***by*Jaya Singhal & Kalyan Singhal & James K. Weeks**633-644 A New Algorithm for the 0-1 Knapsack Problem***by*Silvano Martello & Paolo Toth**645-665 Utility Functions for Infinite-Period Planning***by*Charles M. Harvey**666-671 Note---Optimal Pricing Policy for the Service Facility Offering a Set of Priority Prices***by*Hanna Alperstein**672-673 Reply---Consider the Principal Finding: A Reply to William T. Ross***by*Robin M. Hogarth & Spyros Makridakis**676-677 About Authors***by*anonymous

### April 1988, Volume 34, Issue 4

**431-445 The Effects of Splitting Attributes on Weights in Multiattribute Utility Measurement***by*Martin Weber & Franz Eisenführ & Detlof von Winterfeldt**446-453 Mean Lower Partial Moment Valuation and Lognormally Distributed Returns***by*Wayne Y. Lee & Ramesh K. S. Rao**454-460 Dominance Conditions for Multivariate Utility Functions***by*Marco Scarsini**461-468 A Study of User Interface Aids for Model-Oriented Decision Support Systems***by*Brian L. Dos Santos & Martin L. Bariff**469-481 State-Level Efforts to Transfer Manufacturing Technology: A Survey of Programs and Practices***by*Andrew W. Wyckoff & Louis G. Tornatzky**482-499 Service Constrained (s, S) Inventory Systems with Priority Demand Classes and Lost Sales***by*Morris A. Cohen & Paul R. Kleindorfer & Hau L. Lee**500-508 Optimal Order of Servers for Tandem Queues in Light Traffic***by*Betsy S. Greenberg & Ronald W. Wolff**509-527 The Relationship Between Shareholding Concentration and Shareholder Voting Power in British Companies: A Study of the Application of Power Indices for Simple Games***by*Dennis Leech**528-540 Economic Contests with Incomplete Information and Optimal Contest Design***by*Nirvikar Singh & Donald Wittman**541-546 A Simple Method of Computing Prediction Intervals for Time Series Forecasts***by*Everette S. Gardner, Jr.**547-552 Note---Optimal Work-Rest Scheduling with Exponential Work-Rate Decay***by*Stephen E. Bechtold & DeWitt L. Sumners**553-554 About Authors***by*anonymous

### March 1988, Volume 34, Issue 3

**263-265 The Design, Analysis and Implementation of Heuristics***by*Marshall L. Fisher & Alexander H. G. Rinnooy Kan**266-290 Asymptotic Methods in the Probabilistic Analysis of Sequencing and Packing Heuristics***by*E. G. Coffman, Jr. & G. S. Lueker & A. H. G. Rinnooy Kan**291-305 Heuristics Based on Spacefilling Curves for Combinatorial Problems in Euclidean Space***by*John J. Bartholdi, III & Loren K. Platzman**306-330 Minimum Spillage Sequencing***by*Craig A. Tovey & Gideon Weiss & James R. Wilson**331-341 Heuristics with Constant Error Guarantees for the Design of Tree Networks***by*Kemal Altinkemer & Bezalel Gavish**342-376 Finding Embedded Network Rows in Linear Programs I. Extraction Heuristics***by*Robert E. Bixby & Robert Fourer**377-390 A Heuristic Scheduling Policy for Multi-Item, Single-Machine Production Systems with Time-Varying, Stochastic Demands***by*Robert C. Leachman & André Gascon**391-401 The Shifting Bottleneck Procedure for Job Shop Scheduling***by*Joseph Adams & Egon Balas & Daniel Zawack**402-410 Note---An Approximate Algorithm for Multidimensional Zero-One Knapsack Problems---A Parametric Approach***by*Jae Sik Lee & Monique Guignard**411-419 Piecewise-Linear Approximation Methods for Nonseparable Convex Optimization***by*B. Feijoo & R. R. Meyer**420-426 An O(T 2 ) Algorithm for the NI/G/NI/ND Capacitated Lot Size Problem***by*Chia-Shin Chung & Chien-Hua Mike Lin**427-429 About Authors***by*anonymous

### February 1988, Volume 34, Issue 2

**139-159 Decision Support System Effectiveness: A Review and an Empirical Test***by*Ramesh Sharda & Steve H. Barr & James C. McDonnell**160-166 Momentum Accounting and Managerial Goals on Impulses***by*Yuji Ijiri**167-185 Modeling Multiattribute Utility, Risk, and Belief Dynamics for New Consumer Durable Brand Choice***by*John H. Roberts & Glen L. Urban**186-199 The Reliability of Subjective Probabilities Obtained Through Decomposition***by*H. V. Ravinder & Don N. Kleinmuntz & James S. Dyer**200-214 Frames of Mind in Intertemporal Choice***by*George F. Loewenstein**215-229 Optimizing Resource Acquisition Decisions by Stochastic Programming***by*Daniel Bienstock & Jeremy F. Shapiro**230-239 Information Cost and Innovation Adoption Policies***by*Richard Jensen**240-253 Optimally Balancing Large Assembly Lines with "Fable"***by*Roger V. Johnson**254-260 Note---A Branch-and-Bound Approach to the Bicriterion Scheduling Problem Involving Total Flowtime and Range of Lateness***by*Tapan Sen & Farhad M. E. Raiszadeh & Parthasarati Dileepan**261-262 About Authors***by*anonymous

### January 1988, Volume 34, Issue 1

**1-26 A Goal Programming/Constrained Regression Review of the Bell System Breakup***by*A. Charnes & W. W. Cooper & T. Sueyoshi**27-38 Rejoinder---Natural Monopoly and the Bell System: Response to Charnes, Cooper and Sueyoshi***by*David S. Evans & James J. Heckman**39-64 Perturbation Analysis Gives Strongly Consistent Sensitivity Estimates for the M/G/1 Queue***by*Rajan Suri & Michael A. Zazanis**65-74 Analyzing Simulation Experiments with Common Random Numbers***by*Jack P. C. Kleijnen**75-100 Multiproduct Queueing Networks with Deterministic Routing: Decomposition Approach and the Notion of Interference***by*Gabriel R. Bitran & Devanath Tirupati**101-118 Evaluating Project Scheduling and Due Date Assignment Procedures: An Experimental Analysis***by*John Dumond & Vincent A. Mabert**119-130 Optimal Advertising Policies for Diffusion Models of New Product Innovation in Monopolistic Situations***by*Engelbert Dockner & Steffen Jørgensen**131-134 Note---Price Indexes to Calculate Real R&D Expenditures***by*Klaus Brockhoff**136-137 About Authors***by*anonymous

### December 1987, Volume 33, Issue 12

**1511-1522 What is an Application and When is Theory a Waste of Time?***by*M. Shubik**1523-1533 A Heuristic Approach to Product Design***by*Rajeev Kohli & Ramesh Krishnamurti**1534-1551 Strategy Maps: A Spatial Representation of Intra-Industry Competitive Strategy***by*Diana L. Day & Wayne S. DeSarbo & Terence A. Oliva**1552-1562 Tests of the Efficiency of Racetrack Betting Using Bookmaker Odds***by*Ron Bird & Michael McCrae**1563-1571 Dynamic Patent Races with Risky Choices***by*Jaesun Park**1572-1592 Testing Behavioral Simulation Models by Direct Experiment***by*John D. Sterman**1593-1601 A Bicriteria Mathematical Programming Model for Nutrition Planning in Developing Nations***by*Harold P. Benson & Thomas L. Morin**1602-1612 The Optimal Treatment Strategy---A Patient's Perspective***by*A. Mehrez & A. Gafni**1613-1621 Multi-Item, One-Warehouse, Multi-Retailer Distribution Systems***by*John A. Muckstadt & Robin O. Roundy**1622-1634 Optimal Use and the Value of Water Resources in Electricity Generation***by*Prodromos G. Efthymoglou**1635-1636 Note---Comment on: A Generalized Quantity Discount Pricing Model to Increase Supplier's Profits***by*S. K. Goyal

### November 1987, Volume 33, Issue 11

**1367-1382 Lottery Dependent Utility***by*Joao L. Becker & Rakesh K. Sarin**1383-1403 The Theory of Ratio Scale Estimation: Saaty's Analytic Hierarchy Process***by*Patrick T. Harker & Luis G. Vargas**1404-1418 Managerial Perspectives on Risk and Risk Taking***by*James G. March & Zur Shapira**1419-1427 R&D Management and Corporate Financial Policy***by*John B. Guerard, Jr. & Alden S. Bean & Steven Andrews**1428-1439 Efficient Market Adjustment of Odds Prices to Reflect Track Biases***by*Brian R. Canfield & Bruce C. Fauman & William T. Ziemba**1440-1452 Optimal Group Maintenance Policies with Continuous and Periodic Inspections***by*David Assaf & J. George Shanthikumar**1453-1468 A Network Decomposition Approach for Approximating the Steady-State Behavior of Markovian Multi-Echelon Reparable Item Inventory Systems***by*Donald Gross & Leonidas C. Kioussis & Douglas R. Miller**1469-1480 Design and Operation of a Multicommodity Production/Distribution System Using Primal Goal Decomposition***by*Gerald G. Brown & Glenn W. Graves & Maria D. Honczarenko**1481-1488 On Optimal Competitive Contracting***by*Richard Engelbrecht-Wiggans**1489-1500 Competitive Procurement Under Demand Uncertainty***by*Kofi O. Nti**1501-1505 Note---Analyzing Total Factor Productivity with ROI as a Criterion***by*David M. Miller**1507-1509 About Authors***by*anonymous

### October 1987, Volume 33, Issue 10

**1209-1223 From EOQ Towards ZI***by*Willard I. Zangwill**1224-1228 Note---Response to "Use of Sample Information in Stochastic Recourse and Chance-Constrained Programming Models": On the "Bayesability" of CCP's***by*Irving H. LaValle**1229-1231 Note---Response***by*R. Jagannathan**1232-1237 Note---Blau's Dilemma Revisited***by*Robert F. Nau**1238-1246 Portfolio Analysis with Partial Information: The Case of Grouped Data***by*Edwin J. Elton & Martin J. Gruber**1247-1252 Pricing Policies for Quantity Discounts***by*Maqbool Dada & K. N. Srikanth**1253-1266 A Model for Relating Advertising Media Exposures to Purchase Incidence Behavior Patterns***by*Fred S. Zufryden**1267-1276 An Empirical Evaluation of Alternative Forecasting Combinations***by*Thomas D. Russell & Everett E. Adam, Jr.**1277-1290 Warnings of Malfunction: The Decision to Inspect and Maintain Production Processes on Schedule or on Demand***by*M. E. Paté-Cornell & H. L. Lee & G. Tagaras**1291-1301 Setup Reduction and Increased Effective Capacity***by*Anne M. Spence & Evan L. Porteus**1302-1316 A Multi-Echelon Inventory Model for Repairable Items with Emergency Lateral Transshipments***by*Hau L. Lee**1317-1332 Modeling Coordination in Organizations and Markets***by*Thomas W. Malone**1333-1347 A Dynamic Planning Technique for Continuous Activities Under Multiple Resource Constraints***by*Mufit Ozden**1348-1356 Consumer Protection Laws: Violator Detection and Enforcement Strategy***by*Priscilla A. Labarbera & Edward L. Melnick**1357-1359 Reply---An Answer to Sasieni's Question on PERT Times***by*T. K. Littlefield, Jr. & P. H. Randolph**1360-1360 Reply---A Note on PERT Assumptions***by*Charles Gallagher**1361-1362 Note---The Bierman-Hausman Credit Granting Model: A Note***by*Venkat Srinivasan & Yong H. Kim**1363-1365 About Authors***by*anonymous

### September 1987, Volume 33, Issue 9

**1069-1086 A Diffusion Theory Model of Adoption and Substitution for Successive Generations of High-Technology Products***by*John A. Norton & Frank M. Bass**1087-1101 Risk and the Relationship Among Strategy, Organizational Processes, and Performance***by*David B. Jemison**1102-1124 Strategic Group Formation and Performance: The Case of the U.S. Pharmaceutical Industry, 1963--1982***by*Karel O. Cool & Dan Schendel**1125-1136 Simultaneous Determination of Production Cycle and Inspection Schedules in a Production System***by*Hau L. Lee & Meir J. Rosenblatt**1137-1149 Freezing the Master Production Schedule Under Rolling Planning Horizons***by*V. Sridharan & William L. Berry & V. Udayabhanu**1150-1164 Eliminating Inventory in a Series Facility Production System***by*Willard I. Zangwill**1165-1172 Reducing the Congestion in a Class of Job Shops***by*David D. Yao & S. C. Kim**1173-1180 Optimal Server Allocation in a System of Multi-Server Stations***by*J. George Shanthikumar & David D. Yao**1181-1191 Developing Competitive Strategies for Buyer-Supplier Negotiations***by*Jonathan F. Bard**1192-1199 Simulating GI/G/k Queues in Heavy Traffic***by*Do Le Minh**1200-1204 A Study of Graphical and Tabular Displays and Their Interaction with Environmental Complexity***by*William Remus**1205-1207 About Authors***by*anonymous

### August 1987, Volume 33, Issue 8

**947-954 A Model for Predicting Frequencies of Random Events***by*Donald Rosenfield**955-964 A Class of Utility Functions Containing all the Common Utility Functions***by*Patrick L. Brockett & Linda L. Golden**965-980 Estimating Utility Functions in the Presence of Response Error***by*Kathryn Blackmond Laskey & Gregory W. Fischer**981-1000 Marketing-Production Decisions in an Industrial Channel of Distribution***by*Jehoshua Eliashberg & Richard Steinberg**1001-1009 Parallel Machine Scheduling: Processing Rates Dependent on Number of Jobs in Operation***by*Moshe Dror & Helman I. Stern & Jan Karel Lenstra**1010-1019 An Optimal Design Problem for Limited Processor Sharing Systems***by*Genji Yamazaki & Hirotaka Sakasegawa**1020-1034 A Layout Planning System with Multiple Criteria and a Variable Domain Representation***by*F. Robert Jacobs**1035-1047 Priority Rules for Job Shops with Weighted Tardiness Costs***by*Ari P. J. Vepsalainen & Thomas E. Morton**1048-1057 Asymmetric Players and Bargaining for Profit Shares in Natural Resource Development***by*G. Anandalingam**1058-1064 Does Cheaper, Faster, or Better Imply Sooner in the Timing of Innovation Decisions?***by*Steven A. Lippman & Kevin F. McCardle**1065-1065 Note---Comment on "The Dynamics of Plant Layout"***by*Rajan Batta**1066-1068 About Authors***by*anonymous

### July 1987, Volume 33, Issue 7

**813-830 An Optimization Based Integrated Short-Term Refined Petroleum Product Planning System***by*Darwin Klingman & Nancy Phillips & David Steiger & Ross Wirth & Rema Padman & R. Krishnan**831-847 An Integer Programming Approach and Implementation for an Electric Utility Capacity Planning Problem with Renewable Energy Sources***by*Hanif D. Sherali & Konstantin Staschus & Jorge M. Huacuz**848-875 Multiperiod Financial Planning***by*David P. Brown**876-893 Performance Evaluation of State-Owned Enterprises in Theory and Practice***by*Ravi Ramamurti**894-906 Minimizing Mean Squared Deviation of Completion Times About a Common Due Date***by*Uttarayan Bagchi & Robert S. Sullivan & Yih-Long Chang**907-915 A Heuristic Procedure for the Layout of a Large Number of Facilities***by*Zvi Drezner**916-930 Discounted and Per Unit Costs of Product Warranty***by*John W. Mamer**931-938 Approximation of the Overflow Process from a G/M/N/K Queueing System***by*Behnam Pourbabai**939-943 Note---A Note on Computing Optimal Control Limits for GI/M/1 Queueing Systems***by*Martin L. Puterman & Lyn C. Thomas**944-945 About Authors***by*anonymous

### June 1987, Volume 33, Issue 6

**687-705 Planning System Success: A Conceptualization and an Operational Model***by*N. Venkatraman & Vasudevan Ramanujam**706-724 Entry and Learning***by*Timothy M. Devinney**725-738 Consensus Forecasts of Corporate Earnings: Analysts' Forecasts and Time Series Methods***by*Robert Conroy & Robert Harris**739-749 A Predictive Method of Teacher's Structure in China's University (1985--2000)***by*Chen Ling & Pen Guozhong**750-755 The Optimality of (s, S) Policies for a Stochastic Inventory Problem with Proportional and Lump-Sum Penalty Cost***by*Yash Aneja & A. Hamid Noori**756-762 Inventory Policies Under Various Optimizing Criteria and Variable Markup Rates***by*F. J. Arcelus & G. Srinivasan**763-770 On Optimal Reservation Prices in Auctions***by*Richard Engelbrecht-Wiggans**771-783 A Mathematical Model of Dental Caries Used to Evaluate the Benefits of Alternative Frequencies of Bitewing Radiographs***by*Michael Shwartz & Joseph S. Pliskin & Hans-Göran Gröndahl & Joseph Boffa**784-799 Batching to Minimize Flow Times on One Machine***by*Gregory Dobson & Uday S. Karmarkar & Jeffrey L. Rummel**800-806 A Constrained Capital Budgeting Problem with Applications to Repair Kit Selection***by*John W. Mamer & Andrew W. Shogan**807-809 Note---Does Rolling Back Decision Trees Really Require the Independence Axiom?***by*Gordon B. Hazen**810-812 About Authors***by*anonymous

### May 1987, Volume 33, Issue 5

**547-588 An Introduction to Structured Modeling***by*Arthur M. Geoffrion**589-609 A Foundation for the Study of Group Decision Support Systems***by*Gerardine DeSanctis & R. Brent Gallupe