# Elsevier

# European Journal of Operational Research

**Download restrictions:**Full text for ScienceDirect subscribers only

**Editor:**

**Current editor:**Jesus Artalejo

**Current editor:**Jean-Charles. Billaut

**Current editor:**Robert Dyson

**Current editor:**Lorenzo Peccati

**For corrections or technical questions regarding this series, please contact (Dana Niculescu)**

**Series handle:**repec:eee:ejores

**ISSN:**0377-2217

**Citations RSS feed:**at CitEc

### Impact factors

- Simple (last 10 years)
- Recursive (10)
- Discounted (10)
- Recursive discounted (10)
- H-Index (10)
- Euclid (10)
- Aggregate (10)

**Access and download statistics**

**Top item:**

- By citations
- By downloads (last 12 months)

### December 1996, Volume 95, Issue 2

### November 1996, Volume 95, Issue 1

**1-23 Materials coordination in stochastic multi-echelon systems***by*van Houtum, G. J. & Inderfurth, K. & Zijm, W. H. M.**24-37 A comparison of neural networks and linear scoring models in the credit union environment***by*Desai, Vijay S. & Crook, Jonathan N. & Overstreet, George A.**38-52 Optimal level schedules in mixed-model, multi-level JIT assembly systems with pegging***by*Steiner, George & Yeomans, Julian Scott**53-61 Order splitting in continuous review (Q, r) inventory models***by*Hill, Roger M.**62-72 Fuzzy bicriteria multi-index transportation problems for coal allocation planning of Taipower***by*Tzeng, Gwo-Hshiung & Teodorovic, Dusan & Hwang, Ming-Jiu**73-88 A general approximation for the single product lot sizing model with queueing delays***by*Lambrecht, Marc R. & Vandaele, Nico J.**89-114 Competitive capacity expansion under demand uncertainty***by*Bashyam, T. C. A.**115-138 Preference modelling by estimating local utility functions for multiobjective optimization***by*Yang, Jian-Bo & Sen, Pratyush**139-154 Stochastic dominance tests for ranking alternatives under ambiguity***by*Langewisch, Andrew & Choobineh, Fred**155-166 On the connectedness of optimum-degeneracy graphs***by*Zornig, Peter & Gal, Tomas**167-177 A stochastic and dynamic routing policy using branching processes with state dependent immigration***by*Papastavrou, Jason D.**178-190 Multicommodity flow models for spanning trees with hop constraints***by*Gouveia, Luis**191-200 Random search in the one-dimensional cutting stock problem***by*Vahrenkamp, Richard**201-210 New polynomial bounds for matroidal knapsacks***by*Amado, Ligia & Barcia, Paulo**211-230 Approximating probability density functions and their convolutions using orthogonal polynomials***by*Badinelli, Ralph D.**231-236 Ranking in quadratic integer programming problems***by*Gupta, Renu & Bandopadhyaya, Lakshmisree & Puri, M. C.**237-239 A note on hashing functions and tabu search algorithms***by*Carlton, William B. & Barnes, J. Wesley

### November 1996, Volume 94, Issue 3

**425-438 Imperfect maintenance***by*Pham, Hoang & Wang, Hongzhou**439-452 Assessing the comparative spatial disadvantage (CSD) of regions in the European Union using non-radial data envelopment analysis methods***by*Athanassopoulos, Antreas D.**453-466 Resource allocation to defensive marketing and manufacturing strategies***by*Ravi Kumar, K. & Hadjinicola, George C.**467-476 A model for the relative importance of the criteria in the Multiplicative AHP and SMART***by*Lootsma, F. A.**477-487 Reducing performance variation in the canning problem***by*Arcelus, F. J. & Rahim, M. A.**488-504 Approximate representation of probabilistic data in expert systems***by*Sarkar, Sumit & Mendelson, Haim & Storey, Veda C.**505-516 Combining ranked mean value forecasts***by*Mostaghimi, Mehdi**517-526 A tree search algorithm for the crew scheduling problem***by*Beasley, J. E. & Cao, B.**527-547 A periodic review inventory system with two supply modes***by*Chiang, Chi & Gutierrez, Genaro J.**548-560 Staged and constrained two-dimensional guillotine cutting problems: An AND/OR-graph approach***by*Morabito, Reinaldo & Arenales, Marcos N.**561-581 Mixed integer programming model formulations for dynamic multi-item multi-level capacitated lotsizing***by*Stadtler, Hartmut**582-593 Tight linear programming relaxations of uncapacitated p-hub median problems***by*Skorin-Kapov, Darko & Skorin-Kapov, Jadranka & O'Kelly, Morton**594-598 Multiobjective programming in optimization of interval objective functions -- A generalized approach***by*Chanas, Stefan & Kuchta, Dorota**599-609 Comparing the predictive validity of alternatively assessed multi-attribute preference models when relevant decision attributes are missing***by*Fry, Phillip C. & Rinks, Dan B. & Ringuest, Jeffrey L.**610-617 Kuratowski convergence of the efficient sets in the parametric linear vector semi-infinite optimization***by*Todorov, Maxim Ivanov**618-625 Evolution program for deterministic and stochastic optimizations***by*Gen, Mitsuo & Liu, Baoding & Ida, Kenichi**626-630 Conditions for government support of private research and development***by*Joglekar, Prafulla & Hamburg, Morris

### October 1996, Volume 94, Issue 2

**213-214 Dagstuhl seminar on "Scheduling in computer and manufacturing systems"***by*Blazewicz, Jacek & Ecker, Klaus & Weglarz, Jan**215-230 Scheduling multiprocessor tasks -- An overview***by*Drozdowski, Maciej**231-241 Scheduling multiprocessor tasks with chain constraints***by*Blazwicz, Jacek & Liu, Zhen**242-251 Preemptive versus nonpreemptive scheduling of biprocessor tasks on dedicated processors***by*Kubale, Marek**252-260 On the complexity of scheduling with large communication delays***by*Bampis, Evripidis & Giannakos, Aristotelis & Konig, Jean-Claude**261-270 Minimizing the overhead for some tree-scheduling problems***by*Bampis, Evripidis & Guinand, Frederic & Trystram, Denis**271-276 Scheduling tasks and communications on a virtual distributed system***by*Colin, J. -Y. & Colin, P.**277-283 Single machine scheduling with batch deliveries***by*Cheng, T. C. Edwin & Gordon, Valery S. & Kovalyov, Mikhail Y.**284-291 Single machine scheduling subject to deadlines and resource dependent processing times***by*Janiak, Adam & Kovalyov, Mikhail Y.**292-301 A decision theory based scheduling procedure for single-machine weighted earliness and tardiness problems***by*Sridharan, V. & Zhou, Z.**302-309 Discrete-continuous scheduling problems -- Mean completion time results***by*Jozefowska, Joanna & Weglarz, Jan**310-320 Total completion time minimization in two-machine job shops with unit-time operations***by*Kubiak, Wieslaw & Timkovsky, Vadim**321-334 Agricultural product development using multidimensional and multicriteria analyses: The case of wine***by*Baourakis, G. & Matsatsinis, N. F. & Siskos, Y.**335-348 Tool allocation and machining conditions optimization for CNC machines***by*Akturk, M. Selim & Avci, Selcuk**349-361 Comparison of iterative improvement techniques for schedule optimization***by*Dorn, Jurgen & Girsch, Mario & Skele, Gunther & Slany, Wolfgang**362-376 A robustness approach to uncapacitated network design problems***by*Gutierrez, Genaro J. & Kouvelis, Panagiotis & Kurawarwala, Abbas A.**377-383 A note on "hierarchical models for multi-project planning and scheduling"***by*Hartmann, Sonke & Sprecher, Arno**384-391 A low-rank bilinear programming approach for sub-optimal solution of the quadratic assignment problem***by*Torki, Abdolhamid & Yajima, Yatsutoshi & Enkawa, Takao**392-404 A genetic algorithm for the set covering problem***by*Beasley, J. E. & Chu, P. C.**405-418 PAC-learning a decision tree with pruning***by*Kim, Hyunsoo & Koehler, Gary J.

### October 1996, Volume 94, Issue 1

**1-15 Coordinated supply chain management***by*Thomas, Douglas J. & Griffin, Paul M.**16-28 A two-stage multiobjective scheduling model for [faculty-course-time] assignments***by*Badri, Masood A.**29-42 The newsstand problem: A capacitated multiple-product single-period inventory problem***by*Lau, Hon-Shiang & Hing-Ling Lau, Amy**43-53 Tactical design of rail freight networks. Part II: Local search methods with statistical analysis***by*Marin, Angel & Salmeron, Javier**54-65 An interactive decision support system for the resource Constrained Scheduling Problem***by*Norbis, Mario & MacGregor Smith, J.**66-86 Multicriteria planar location problems***by*Hamacher, H. W. & Nickel, S.**87-96 Project selection with discounted returns and multiple constraints***by*Kyparisis, George J. & Gupta, Sushil K. & Ip, Chi-Ming**97-105 On finding a biconnected spanning planar subgraph with applications to the facilities layout problem***by*Goldschmidt, Olivier & Takvorian, Alexis & Yu, Gang**106-111 A new adaptive method for extrapolative forecasting algorithms***by*Pantazopoulos, Sotiris N. & Pappis, Costas P.**112-121 A ratio model for discriminant analysis using linear programming***by*Retzlaff-Roberts, Donna L.**122-133 The coordinated replenishment dynamic lot-sizing problem with quantity discounts***by*Chung, Chia-Shin & Hum, Sin-Hoon & Kirca, Omer**134-142 Quadratically constrained convex quadratic programmes: faulty feasible regions***by*Caron, Richard J. & Obuchowska, Wieslawa T.**143-153 The maximization of a function over the efficient set via a penalty function approach***by*White, D. J.**154-166 Maximizing a submodular function by integer programming: Polyhedral results for the quadratic case***by*Lee, Heesang & Nemhauser, George L. & Wang, Yinhua**167-178 Duality and sensitivity in nonconvex quadratic optimization over an ellipsoid***by*Flippo, Olaf E. & Jansen, Benjamin**179-185 Towards economically optimal first-off inspection***by*Sheil, John**186-193 The number of feasible designs in a compatibility matrix***by*Singhal, Jaya & Singhal, Kalyan**194-202 Generating pseudo-random time series with specified marginal distributions***by*Wheyming Tina, Song & Li-Ching, Hsiao & Yun-Ju, Chen**203-205 A note on the complexity of single-machine scheduling with a common due date, earliness-tardiness, and batch delivery costs***by*Yuan, Jinjiang**206-211 ACCPM -- A library for convex optimization based on an analytic center cutting plane method***by*Gondzio, J. & du Merle, O. & Sarkissian, R. & Vial, J. -P.

### September 1996, Volume 93, Issue 3

**449-468 Performance measurement criteria in health care organizations: Review and future research directions***by*Li, L. X. & Benton, W. C.**469-475 Optimal realignments of the teams in the National Football League***by*Saltzman, Robert M. & Bradford, Richard M.**476-489 Optimal strategies for general price-quality decision models of new products with learning production costs***by*Teng, Jinn-Tsair & Thompson, Gerald L.**490-510 Genetic algorithms and traveling salesman problems***by*Chatterjee, Sangit & Carrera, Cecilia & Lynch, Lucy A.**511-521 Using case-based reasoning approach to the support of ill-structured decisions***by*Deng, Pi-Sheng**522-535 A simulated annealing heuristic for the one-dimensional cutting stock problem***by*Chen, Chuen-Lung S. & Hart, Stephen M. & Tham, Wai Mui**536-549 Identifying Pareto-optimal settlements for two-party resource allocation negotiations***by*Teich, Jeffrey E. & Wallenius, Hannele & Wallenius, Jyrki & Zionts, Stanley**550-564 The synthetic hierarchy method: An optimizing approach to obtaining priorities in the AHP***by*Lipovetsky, Stan**565-581 Upper robust mappings and vector minimization: an integral approach***by*Kostreva, M. M. & Zheng, Quan & Zhuang, Deming**582-601 Examining the effect of second-order terms in mathematical programming approaches to the classification problem***by*Wanarat, Pradit & Pavur, Robert**602-610 Bifurcation and adaptation in evolutionary interactive multiobjective linear programming***by*Dror, Moshe & Shakun, Melvin F.**611-619 The logarithmic least squares and the generalized pseudoinverse in estimating ratios***by*Kwiesielewicz, M.**620-627 Stochastic dominance in an ordinal world***by*Spector, Yishay & Leshno, Moshe & Horin, Moshe Ben**628-638 A note on Kirkwood's algebraic method for decision problems***by*Guo, Rui & Shenoy, Prakash P.

### September 1996, Volume 93, Issue 2

**227-229 Neural networks and operations research/management science***by*Sharda, Ramesh & Wang, Jun**230-243 Parametric distance functions vs. nonparametric neural networks for estimating road travel distances***by*Alpaydin, Ethem & Altinel, I. Kuban & Aras, Necati**244-256 A new neural network for solving linear programming problems***by*Cichocki, A. & Unbehauen, R. & Weinzierl, K. & Holzel, R.**257-270 An adaptive, multiple restarts neural network algorithm for graph coloring***by*Jagota, Arun**271-287 Comparison of neural and heuristic methods for a timetabling problem***by*Mausser, Helmut E. & Magazine, Michael J.**288-299 A neural network model for scheduling problems***by*Sabuncuoglu, Ihsan & Gurgun, Burckaan**300-316 Traditional heuristic versus Hopfield neural network approaches to a car sequencing problem***by*Smith, Kate & Palaniswami, M. & Krishnamoorthy, M.**317-330 Massively parallel analog tabu search using neural networks applied to simple plant location problems***by*Vaithyanathan, Shivakumar & Burke, Laura I. & Magent, Michael A.**331-345 A neural network approach to solve the stable matching problem***by*Yuan, Yufei & Wang, Li**346-357 Comparative performance of the FSCL neural net and K-means algorithm for market segmentation***by*Balakrishnan, P. V. (Sundar) & Cooper, Martha C. & Jacob, Varghese S. & Lewis, Phillip A.**358-368 A comparison of nonlinear optimization methods for supervised learning in multilayer feedforward neural networks***by*Denton, James W. & Hung, Ming S.**369-386 Using neural networks for trauma outcome evaluation***by*Palocsay, Susan W. & Stevens, Scott P. & Brookshire, Robert G. & Sacco, William J. & Copes, Wayne S. & Buckman, Robert F. & Smith, J. Stanley**387-401 Analyzing mathematical models with inductive learning networks***by*Steiger, David M. & Sharda, Ramesh**402-417 A comparison of SOM neural network and hierarchical clustering methods***by*Mangiameli, Paul & Chen, Shaw K. & West, David**418-427 Feed-forward neural networks and feature construction with correlation information: an integrated framework***by*Piramuthu, Selwyn**428-448 Heuristic and optimization approaches to extending the Kohonen self organizing algorithm***by*Nour, Mohamed A. & Madey, Gregory R.

### August 1996, Volume 93, Issue 1

**1-33 The job shop scheduling problem: Conventional and new solution techniques***by*Blazewicz, Jacek & Domschke, Wolfgang & Pesch, Erwin**34-48 The generalized Shifting Bottleneck Procedure***by*Ramudhin, Amar & Marier, Philippe**49-60 Scheduling and common due date assignment with earliness-tardiness penalties and batch delivery costs***by*Chen, Zhi-Long**61-67 A simulated annealing approach for the one-machine mean tardiness scheduling problem***by*Ben-Daya, M. & Al-Fawzan, M.**68-74 Determination of common due window location in a single machine scheduling problem***by*Liman, Surya D. & Panwalkar, Shrikant S. & Thongmee, Sansern**75-87 Scheduling arrivals to a production system in a fuzzy environment***by*Stanfield, Paul M. & King, Russell E. & Joines, Jeff A.**88-97 Fuzzy logic concepts applied to machine--component matrix formation in cellular manufacturing***by*Narayanaswamy, Pradeep & Bector, C. R. & Rajamani, Divakar**98-109 Primary and secondary route selection in backbone communication networks***by*Amiri, Ali & Pirkul, Hasan**110-120 The Queueing Maximal availability location problem: A model for the siting of emergency vehicles***by*Marianov, Vladimir & ReVelle, Charles**121-134 A genetic algorithm for service level based vehicle scheduling***by*Malmborg, Charles J.**135-147 Vehicle routing problem with trailers***by*Gerdessen, Johanna C.**148-154 Linear programming model for finding optimal roadway grades that minimize earthwork cost***by*Moreb, Ahmad A.**155-172 Chaos and nonlinear dynamics in financial and nonfinancial time series: Evidence from Finland***by*Takala, Kari & Viren, Matti**173-184 Analyzing risk and performance using the multi-factor concept***by*Vermeulen, Erik M. & Spronk, Jaap & van der Wijst, Nico**185-204 Multi-period minimax hedging strategies***by*Howe, M. A. & Rustem, B. & Selby, M. J. P.**205-223 A comparative evaluation of alternative models of the term structure of interest rates***by*Boero, G. & Torricelli, C.**224-225 OR software - ORSEP operations research software exchange program Edited by Professor H.W. Hamacher K_TREE/K_SUBGRAPH: A program package for minimal weighted K-cardinality trees and subgraphs***by*Ehrgott, M. & Freitag, J.

### August 1996, Volume 92, Issue 3

**441-442 Aspects of operational research: Tutorial and research review papers from EURO XIII/OR 36***by*Belton, Valerie & Bouyssou, Denis**443-457 Model legitimisation in operational research***by*Landry, M. & Banville, C. & Oral, M.**458-473 The development, validation and implementation of knowledge-based systems***by*O' Keefe, Robert M. & Preece, Alun D.**474-492 Extensions of coloring models for scheduling purposes***by*de Werra, D.**493-511 General local search methods***by*Pirlot, Marc**512-527 Fuzzy linear programming and applications***by*Rommelfanger, Heinrich**528-536 Non-traditional methods of forecasting***by*Bunn, Derek W.**537-549 Value-focused thinking: Identifying decision opportunities and creating alternatives***by*Keeney, Ralph L.**550-572 New operations research and artificial intelligence approaches to traffic engineering problems***by*Bielli, Maurizio & Reverberi, Pierfrancesco**573-590 Parallel processing for difficult combinatorial optimization problems***by*Roucairol, Catherine**591-592 The EURO gold medal 1994***by*Carlsson, Christer**593-602 The space of freedom of the decision maker modelling the human brain***by*Brans, Jean-Pierre**603-614 Rationality, emotion and preference change Drama-theoretic models of choice***by*Bennett, Peter & Howard, Nigel**615-627 An empirical application of the information-structures model: The postal authority case***by*Carmi, Nava & Ronen, Boaz**628-636 A fuzzy-linguistic approach to a multi-criteria sequencing problem***by*Adamopoulos, George I. & Pappis, Costas P.**637-648 Fuzzy part coding for group technology***by*Ben-Arieh, D. & Lee, S. E. & Chang, P. T.**649-662 Markov-type fuzzy decision processes with a discounted reward on a closed interval***by*Kurano, Masami & Yasuda, Masami & Nakagami, Jun-ichi & Yoshida, Yuji

### July 1996, Volume 92, Issue 2

**219-238 A classification of literature on determining the lot size under quantity discounts***by*Benton, W. C. & Park, Seungwook**239-253 Exploiting timely demand information to reduce inventories***by*Bourland, Karla E. & Powell, Stephen G. & Pyke, David F.**254-265 Estimating the demand distributions of single-period items having frequent stockouts***by*Lau, Hon-Shiang & Hing-Ling Lau, Amy**266-280 Economic replenishment strategies for announced price increases***by*Tersine, Richard J.**281-301 Production strategies for a stochastic lot-sizing problem with constant capacity***by*Dellaert, N. P. & Melo, M. T.**302-309 A production lot size inventory model for deteriorating items and arbitrary production and demand rates***by*Balkhi, Zaid T. & Benkherouf, Lakdere**310-325 Linear programming for the 0-1 quadratic knapsack problem***by*Billionnet, Alain & Calmels, Frederic**326-341 Lagrangean methods for the 0-1 Quadratic Knapsack Problem***by*Michelon, Philippe & Veilleux, Louis**342-351 Integer-friendly formulations for the r-separation problem***by*Erkut, E. & ReVelle, C. & Ulkusal, Y.**352-367 A new procedure for identifying the frame of the convex hull of a finite collection of points in multidimensional space***by*Dula, J. H. & Helgason, R. V.**368-386 Containment of a single polygon using mathematical programming***by*Grinde, Roger B. & Cavalier, Tom M.**387-401 The use of dynamic programming in genetic algorithms for permutation problems***by*Yagiura, Mutsunori & Ibaraki, Toshihide**402-416 Optimizing simulated annealing schedules with genetic programming***by*Bolte, Andreas & Thonemann, Ulrich Wilhelm**417-434 Fuzzy versus statistical linear regression***by*Kim, Kwang Jae & Moskowitz, Herbert & Koksalan, Murat

### July 1996, Volume 92, Issue 1

**1-27 Queueing theory in manufacturing systems analysis and design: A classification of models for production and transfer lines***by*Papadopoulos, H. T. & Heavey, C.**28-36 Finding robust solutions for product design problems***by*Hendrix, Eligius M. T. & Mecking, Carmen J. & Hendriks, Theo H. B.**37-53 An implementation of linear and nonlinear multicommodity network flows***by*Castro, J. & Nabona, N.**54-62 Application of multidimensional scaling techniques to facilities layout***by*Hossein Safizadeh, M. & McKenna, David R.**63-68 Optimal solutions for the machining economics problem with stochastically distributed tool lives***by*Iakovou, Eleftherios & Ip, Chi M. & Koulamas, Christos**69-82 A model for a Mixed Continuous-Periodic Review One-Warehouse, N-Retailer inventory system***by*Ahire, Sanjay L. & Schmidt, Charles P.**83-98 On managing operating capacity to reduce congestion in service systems***by*So, Kut C. & Tang, Christopher S.**99-111 Analysis of an open tandem queueing network with population constraint and constant service times 1***by*Rhee, Young & Perros, Harry G.**112-124 Analyzing EkErc queues***by*Adan, I. J. B. F. & van de Waarsenburg, W. A. & Wessels, J.**125-134 Analysis of M/G/1 queues with delayed vacations and exhaustive service discipline***by*Li, Huan & Zhu, Yixin**135-147 Selecting the best choice in the weighted secretary problem***by*Hak Chun, Young**148-156 Structural approach to parametric analysis of an IP on the case of the right-hand side***by*Wang, Hsiao-Fan & Horng, Jyh-Shing**157-165 Linear fractional goal programming in consideration of fuzzy solution***by*Ohta, Hideichi & Yamaguchi, Toshikazu**166-181 Analytic efficient solution set for multi-criteria quadratic programs***by*Goh, C. J. & Yang, X. Q.**182-192 Binary interactions and subset choice***by*Fishburn, Peter C. & LaValle, Irving H.**193-210 Mathematical model and method of searching for a local extremum for the non-convex oriented polygons allocation problem***by*Stoyan, Yu. G. & Novozhilova, M. V. & Kartashov, A. V.**211-213 A tight lower bound for the completion time variance problem***by*Ng, C. T. & Cai, X. & Cheng, T. C. E.**214-216 An addendum to the hierarchical network design problem***by*Duin, C. W. & Volgenant, A.

### June 1996, Volume 91, Issue 3

**427-439 Mathematical models of service***by*Rust, Roland T. & Metters, Richard**440-455 Service level approximations for multiechelon inventory systems***by*Chew, E. P. & Johnson, L. A.**456-470 A forward branch-and-search algorithm and forecast horizon results for the changeover scheduling problem***by*Blocher, James D. & Chand, Suresh**471-480 The complexity of a cyclic scheduling problem with identical machines and precedence constraints***by*Munier, A.**481-494 An analytic formula for the mean throughput of K-station production lines with no intermediate buffers***by*Papadopoulos, Hrissoleon T.**495-506 Locating flow-capturing units on a network with multi-counting and diminishing returns to scale***by*Averbakh, Igor & Berman, Oded**507-516 Postoptimizing equilibrium flows on large scale networks***by*Nguyen, S. & Pallottino, S. & Inaudi, D.**517-527 Optimal lot-sizing in an imperfect production system with homogeneous reworkable jobs***by*Liu, John J. & Yang, Ping**528-542 Joint price and lot size determination under conditions of permissible delay in payments and quantity discounts for freight cost***by*Seong Whan Shinn & Hwang, Hark & Sung, Soo Park**543-552 The solution of two-stage guillotine cutting stock problems having extremely varying order demands***by*Riehme, Jan & Scheithauer, Guntram & Terno, Johannes**553-564 A recursive exact algorithm for weighted two-dimensional cutting***by*Hifi, M. & Zissimopoulos, V.**565-572 A heuristic algorithm for the mini-max spanning forest problem***by*Yamada, Takeo & Takahashi, Hideo & Kataoka, Seiji**573-586 A new subtour elimination constraint for the vehicle routing problem***by*Achuthan, N. R. & Caccetta, L. & Hill, S. P.**587-599 Price-directive decomposition applied to routing in telecommunication networks***by*Ayllon, Fatima G. & Galan, Jorge & Marin, Angel & Menendez, Angel**600-610 Relaxation heuristics for a generalized assignment problem***by*Lorena, Luiz Antonio N. & Narciso, Marcelo G.**611-618 Geometric three-dimensional assignment problems***by*Spieksma, Frits C. R. & Woeginger, Gerhard J.**619-622 A polynomially solvable class of quadratic semi-assignment problems***by*Malucelli, Federico**623-633 Partially-linear transportation problems***by*Dangalchev, Chavdar Atanasov**634-639 On the dual of linear inverse problems***by*Kas, Peter & Klafszky, Emil

### June 1996, Volume 91, Issue 2

**211-213 The virtual reality of financial-economic decision making***by*Castagnoli, Erio & Spronk, Jaap**214-228 A lattice approach for pricing of multivariate contingent claims***by*Ekvall, Niklas**229-234 A class of options with stochastic lives and an extension of the Black-Scholes formula***by*Jennergren, L. Peter & Naslund, Bertil**235-249 Fixed income linked life insurance policies with minimum guarantees: Pricing models and numerical results***by*Bacinello, Anna Rita & Ortu, Fulvio**250-263 Transaction costs and efficiency of portfolio strategies***by*Pelsser, Antoon & Vorst, Ton**264-273 Robust optimization models for managing callable bond portfolios***by*Vassiadou-Zeniou, Christiana & Zenios, Stavros A.**274-283 Managing a value-preserving portfolio over time***by*Wiesemann, Thomas**284-300 Speculative dynamics with bounded rationality learning***by*Barucci, Emilio & Landi, Leonardo**301-305 Imitation and stability in a stock market***by*Cenci, Marisa & Cerquetti, Annamaria & Peccati, Lorenzo**306-314 The quality of bank forecasts: The dollar-pound exchange rate, 1990-1993***by*Pollock, Andrew C. & Wilkie, Mary E.**315-329 Evaluating leases with complex operating options***by*Trigeorgis, Lenos