# Elsevier

# European Journal of Operational Research

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**Current editor:**Jesus Artalejo

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

**Current editor:**Robert Dyson

**Current editor:**Lorenzo Peccati

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

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### 1998, Volume 107, Issue 1

### 1998, Volume 106, Issue 2-3

**221-225 Tabu search -- wellsprings and challenges***by*Glover, Fred**226-253 The flow shop with parallel machines: A tabu search approach***by*Nowicki, Eugeniusz & Smutnicki, Czeslaw**254-265 Performance enhancements to tabu search for the early/tardy scheduling problem***by*James, R. J. W. & Buchanan, J. T.**266-276 Tabu search for resource-constrained scheduling***by*Verhoeven, M. G. A.**277-300 A tabu search approach to machine scheduling***by*Valls, Vicente & Angeles Perez, M. & Sacramento Quintanilla, M.**301-316 Determining buffer location and size in production lines using tabu search***by*Lutz, Christian M. & Roscoe Davis, K. & Sun, Minghe**317-335 The hot strip mill production scheduling problem: A tabu search approach***by*Lopez, Leo & Carter, Michael W. & Gendreau, Michel**336-356 Multiproduct production planning in the presence of work-force learning***by*Mazzola, Joseph B. & Neebe, Alan W. & Rump, Christopher M.**357-372 A Tabu Search algorithm for the optimisation of telecommunication networks***by*Costamagna, Eugenio & Fanni, Alessandra & Giacinto, Giorgio**373-392 Tabu search in audit scheduling***by*Dodin, B. & Elimam, A. A. & Rolland, E.**393-407 Nurse scheduling with tabu search and strategic oscillation***by*Dowsland, Kathryn A.**408-424 A tabu search algorithm for finding good forest harvest schedules satisfying green-up constraints***by*Brumelle, Shelby & Granot, Daniel & Halme, Merja & Vertinsky, Ilan**425-440 Search strategies for the feeder bus network design problem***by*Lucio Martins, Carlos & Vaz Pato, Margarida**441-456 A tabu search heuristic procedure for the fixed charge transportation problem***by*Sun, Minghe & Aronson, Jay E. & McKeown, Patrick G. & Drinka, Dennis**457-488 Intelligent local search strategies for solving facility layout problems with the quadratic assignment problem formulation***by*Chiang, Wen-Chyuan & Chiang, Chi**489-499 A hybrid heuristic for the uncapacitated hub location problem***by*Abdinnour-Helm, Sue**500-521 Solution of large weighted equicut problems***by*Dell'Amico, Mauro & Trubian, Marco**522-538 Relaxed tours and path ejections for the traveling salesman problem***by*Rego, Cesar**539-545 A tabu search heuristic for the undirected selective travelling salesman problem***by*Gendreau, Michel & Laporte, Gilbert & Semet, Frederic**546-557 Separating capacity constraints in the CVRP using tabu search***by*Augerat, P. & Belenguer, J. M. & Benavent, E. & Corberan, A. & Naddef, D.**558-569 A tabu search algorithm for the bipartite drawing problem***by*Marti, Rafael**570-584 Global optimization for artificial neural networks: A tabu search application***by*Sexton, Randall S. & Alidaee, Bahram & Dorsey, Robert E. & Johnson, John D.**585-598 Proposals for chunking and tabu search***by*Woodruff, David L.**599-623 A tabu search approach to the constraint satisfaction problem as a general problem solver***by*Nonobe, Koji & Ibaraki, Toshihide**624-658 Solving zero-one mixed integer programming problems using tabu search***by*Lokketangen, Arne & Glover, Fred**659-675 An efficient tabu search approach for the 0-1 multidimensional knapsack problem***by*Hanafi, Said & Freville, Arnaud**676-688 Hybrid extreme point tabu search***by*Blue, Jennifer A. & Bennett, Kristin P.

### 1998, Volume 106, Issue 1

**1-14 An optimization model for photochemical air pollution control***by*Shih, Jhih-Shyang & Russell, Armistead G. & McRae, Gregory J.**15-30 Robust responses to climate change via stochastic MARKAL: The case of Quebec***by*Kanudia, Amit & Loulou, Richard**31-38 Quality and the diffusion of innovations***by*Ouardighi, Fouad El & Tapiero, Charles S.**39-44 A note on the behavior of the insureds in auto-insurance systems in Turkey***by*Dimitriyadis, Irini & TektaS, Arzu**45-56 Scheduling of piecewise constant product flows: A Petri net approach***by*Proth, Jean-Marie & Sauer, Nathalie**57-73 Safety stocks in multi-stage inventory systems under different service measures***by*Inderfurth, Karl & Minner, Stefan**74-81 Centralized ordering and allocation policies in a two-echelon system with non-identical warehouses***by*Bollapragada, rinivas & Akella, Ram & Srinivasan, Ramesh**82-89 Analysis of deteriorating inventory/production systems using a linear quadratic regulator***by*Andijani, A. & Al-Dajani, M.**90-94 A stochastic inventory problem with fuzzy shortage cost***by*Ishii, Hiroaki & Konno, Tutomu**95-100 On the complexity of two-machine flowshop problems with due date related objectives***by*Koulamas, Christos**101-107 A polynomial algorithm for a two-machine no-wait job-shop scheduling problem***by*Kravchenko, Svetlana A.**108-115 Estimating the urban OD matrix: A neural network approach***by*Zhejun Gong**116-122 A simulation approach for handling uncertainty in the analytic hierarchy process***by*Levary, Reuven R. & Wan, Ke**123-128 A comparison of the Saaty's AHP and modified AHP for right and left eigenvector inconsistency***by*Tung, S. L. & Tang, S. L.**129-136 Evaluation of rankings with regard to the possible number of agreements and conflicts***by*Ray, Thomas G. & Triantaphyllou, Evangelos**137-143 SMAA - Stochastic multiobjective acceptability analysis***by*Lahdelma, Risto & Hokkanen, Joonas & Salminen, Pekka**144-151 A bicriteria model for locating a semi-desirable facility in the plane***by*Brimberg, Jack & Juel, Henrik**152-159 Locating least-distant lines in the plane***by*Schobel, Anita**160-164 k L-list [lambda] colouring of graphs***by*De Luca Cardillo, Dorotea & Mione, Nicola**165-171 Simplifying a special class of mathematical programs arising in design problems***by*Takriti, Samer & Rosa, Charles H.**172-176 On characterizing tighter formulations for 0-1 programs***by*Escudero, L. F. & Munoz, S.**177-183 Some exact algorithms for the knapsack sharing problem***by*Yamada, Takeo & Futakawa, Mayumi & Kataoka, Seiji**184-190 On computing objective function values in multiple objective quadratic-linear programming***by*Korhonen, Pekka & Yu, GuangYuan**191-197 Goal network programs: A specialized algorithm and an application***by*Ali, Agha Iqbal & blanco, Tom & Buclatin, Ben**198-203 Fuzzy resolution on the infeasibility of variational inequality***by*Hsiao-Fan Wang & Hsueh-Ling Liao**204-211 The reduced form of a game***by*Vermeulen, Dries & Jansen, Mathijs**212-219 Efficient algorithms for the clearing of interbank payments***by*Guntzer, Michael M. & Jungnickel, Dieter & Leclerc, Matthias

### 1998, Volume 105, Issue 3

**371-389 Models of wayfinding in emergency evacuations***by*Lovs, Gunnar G.**390-400 The rural postman problem with deadline classes***by*Letchford, A.N. & Eglese, R.W.**401-426 One-dimensional machine location problems in a multi-product flowline with equidistant locations***by*Sarker, Bhaba R. & Wilhelm, Wilbert E. & Hogg, Gary L.**427-446 The choice of a technical efficiency measure on the free disposal hull reference technology: A comparison using US banking data***by*Borger, Bruno De & Ferrier, Gary D. & Kerstens, Kristiaan**447-456 Accommodating diverse institutional investment objectives and constraints using non-linear goal programming***by*Powell, John G. & Premachandra, I.M.**457-466 Epsilon-dominating solutions in mean-variance portfolio analysis***by*White, D.J.**467-474 Deterministic models of perishable inventory with stock-dependent demand rate and nonlinear holding cost***by*Giri, B.C. & Chaudhuri, K.S.**475-482 The canning problem revisited: The case of capacitated production and fixed demand***by*Pollock, Stephen M. & Golhar, Damodar**483-493 Sensitivity calculation of the throughput of an FMS with respect to the routing mix using perturbation analysis***by*Koltai, Tamas & Lozano, Sebastian**494-501 Scheduling under a common due-data on parallel unrelated machines***by*Adamopoulos, George I. & Pappis, Costas P.**502-508 Scheduling a single machine to minimize earliness penalties subject to the SLK due-date determination method***by*Qi, Xiangton & Tu, Feng-Sheng**509-524 Impact of learning and fatigue factors on single machine scheduling with penalties for tardy jobs***by*Reddy Dondeti, V. & Mohanty, Bidhu B.**525-536 On stochastic machine scheduling with general distributional assumptions***by*Li, Wei & Glazebrook, Kevin D.**537-551 An optimal tree search method for the manufacturing systems cell formation problem***by*Spiliopoulos, K. & Sofianopoulou, S.**552-568 Designing reliable tree networks with two cable technologies***by*Gouveia, Luis & Janssen, Eric**569-580 The effects of exogenous variables in efficiency measurement--A monte carlo study***by*Yu, Chunyan**581-593 The utility efficient set and its interactive reduction***by*Rios-Insua, Sixto & Mateos, Alfonso**594-603 Different transformations for solving non-convex trim-loss problems by MINLP***by*Harjunkoski, Iiro & Westerlund, Tapio & Porn, Ray & Skrifvars, Hans**604-612 An approximately global optimization method for assortment problems***by*Li, Han-Lin & Chang, Ching-Ter**613-621 A GRASP for the biquadratic assignment problem***by*Mavridou, T. & Pardalos, P.M. & Pitsoulis, L.S. & Resende, Mauricio G.C.**622-625 Inner and outer approximations of technology: a data envelopment analysis approach***by*Fare, Rolf & Li, Sung Ko**626-629 A note on pseudo-invexity and symmetric duality***by*Chandra, S. & Kumar, V.

### 1998, Volume 105, Issue 2

**247-629 Managing health care under resource constraints***by*Delesie, L. & Kastelein, A. & van Merode, F. & Vissers, J. M. H.**248-256 Bridging the gap between clinicians and health managers***by*Delesie, Luc**257-266 What is the role and contribution of models to management and research in the health services? A view from Europe***by*Lagergren, Marten**267-276 Shifting the balance of health care into the 21st century***by*Royston, Geoff**277-284 Applying simple dynamic modelling for decision support in planning regional health care***by*De Vries, Theo & Beekman, Reno E.**285-295 Planning resources for renal services throughout UK using simulation***by*Davies, Ruth & Roderick, Paul**296-307 Dynamic entry deterrence in the UK pathology services market***by*Lee, C. B. & Murphy, W. D. & Fletcher, L. R. & Binner, J. M.**308-316 Optimisation of the structure of the clinical laboratory***by*van Merode, G. G. & Oosten, M. & Vrieze, O. J. & Derks, J. & Hasman, A.**317-331 The federal nursing minimum basic data set and hospital management in Belgium: A case study of a nursing department***by*Vanden Boer, Guy & Delesie, Luc**332-345 A management tool to trace the clinical path of depressed patients***by*Haspeslagh, Marc & Delesie, Luc**346-355 Capacity planning for intensive care units***by*Ridge, J. C. & Jones, S. K. & Nielsen, M. S. & Shahani, A. K.**356-370 Patient flow-based allocation of inpatient resources: A case study***by*Vissers, Jan M. H.

### 1998, Volume 105, Issue 1

**1-17 A model for warehouse order picking***by*Daniels, Richard L. & Rummel, Jeffrey L. & Schantz, Robert**18-28 Optimal product and server locations in one-dimensional storage racks***by*Vickson, R. G. & Lu, Xinjian**29-37 Multicriteria inventory classification using a genetic algorithm***by*Altay Guvenir, H. & Erel, Erdal**38-42 Optimal strategy for the integrated vendor-buyer inventory model***by*Viswanathan, S.**43-51 Base stock policies for production/inventory problems with uncertain capacity levels***by*Gullu, Refik**52-65 Aggregate scheduling and network solving of multi-stage and multi-item manufacturing systems***by*Huang, Hai-Jun & Xu, Gang**66-71 A new constructive heuristic for the flowshop scheduling problem***by*Koulamas, Christos**72-90 Time lag size in multiple operations flow shop scheduling heuristics***by*Riezebos, J. & Gaalman, G. J. C.**91-99 Capacity planning by the dynamic multi-resource generalized assignment problem (DMRGAP)***by*Shtub, Avraham & Kogan, Konstantin**100-112 Searching for an optimal rotation age for forest stand management under stochastic log prices***by*Yoshimoto, Atsushi & Shoji, Isao**113-117 Bayesian inferences for several autoregressive processes***by*Salazar, Diego & Moen, David H.**118-129 Action-timing problem with sequential Bayesian belief revision process***by*Ahn, Jae-Hyeon & Kim, John J.**130-142 Neural network as a simulation metamodel in economic analysis of risky projects***by*Badiru, Adedeji B. & Sieger, David B.**143-154 A learning curve model with knowledge depreciation***by*Li, Georgi & Rajagopalan, S.**155-161 Hierarchical multi-objective decision making***by*Homburg, Carsten**162-183 Interval-valued preference structures***by*Bilgic, Taner**184-201 Fluid stochastic Petri nets: Theory, applications, and solution techniques***by*Horton, Graham & Kulkarni, Vidyadhar G. & Nicol, David M. & Trivedi, Kishor S.**202-215 Lower bounds for nonlinear assignment problems using many body interactions***by*Ramachandran, Bala & Pekny, J. F.**216-223 Efficient cuts in Lagrangean `Relax-and-cut' schemes***by*Guignard, Monique**224-235 Non-linear integer programming by Darwin and Boltzmann mixed strategy***by*Tian, Peng & Ma, Jian & Zhang, Dong-Mo**236-246 A Newton-type univariate optimization algorithm for locating the nearest extremum***by*Tseng, Chung-Li

### 1998, Volume 104, Issue 3

**393-402 The behavior of extreme values in Germany's stock index futures: An application to intradaily margin setting***by*Broussard, John Paul & Booth, G. Geoffrey**403-422 A hierarchical decision support system for production planning (with case study)***by*Ozdamar, Linet & Bozyel, M. Ali & Birbil, S. Ilker**423-436 On the (R, s, Q) inventory model when demand is modelled as a compound Bernoulli process***by*Janssen, Fred & Heuts, Ruud & de Kok, Ton**437-450 Manufacturer incentives to improve retail service levels***by*Ernst, Ricardo & Powell, Stephen G.**451-473 Optimal television schedules in alternative competitive environments***by*Kelton, Christina M. L. & Schneider Stone, Linda G.**474-484 A framework for analysing decisions under risk***by*Danielson, Mats & Ekenberg, Love**485-496 Comparing multicriteria methods in the context of environmental problems***by*Salminen, Pekka & Hokkanen, Joonas & Lahdelma, Risto**497-509 Reserve assemblage of critical areas: A zero-one programming approach***by*Williams, Justin C. & ReVelle, Charles S.**510-520 Design of a distributed fiber transport network with hubbing topology***by*Moon-gil Yoon & Young-ho Baek & Dong-wan Tcha**521-531 A parallel implementation of the PROMETHEE method***by*Dias, Luis C. & Costa, Joao P. & Climaco, Joao N.**532-548 Stochastic models and variable returns to scales in data envelopment analysis***by*Li, Susan X.**549-558 An experimental evaluation of the efficacy of four multi-objective linear programming algorithms***by*Downing, C. E. & Ringuest, J. L.**559-571 A model to optimize project resource allocation by construction of a balanced histogram***by*Konstantinidis, Peter D.**572-581 Solving a two-dimensional trim-loss problem with MILP***by*Westerlund, Tapio & Isaksson, Johnny & Harjunkoski, Iiro**582-592 Cyclic and non-cyclic scheduling of 12 h shift nurses by network programming***by*Millar, Harvey H. & Kiragu, Mona**593-600 The [beta]-assignment problems***by*Chang, Gerard J. & Ho, Pei-Hsin**601-614 An objective hyperplane search procedure for solving the general all-integer linear programming (ILP) problem***by*Joseph, Anito & Gass, Saul I. & Bryson, Noel**615-621 Symmetric duality for nonlinear programming problem involving [eta]-bonvex functions***by*Devi, G.

### 1998, Volume 104, Issue 2

**265-268 Twelveth EURO summer institute: Locational analysis***by*Barcelo, J.**269-287 Some personal views on the current state and the future of locational analysis***by*Avella, P. & Benati, S. & Canovas Martinez, L. & Dalby, K. & Di Girolamo, D. & Dimitrijevic, B. & Ghiani, G. & Giannikos, I. & Guttmann, N. & Hultberg, T. H. & Fliege, J. & Marin, A. & Munoz Marquez, M. & Ndiaye, M. M. & Nickel, S. & Peeters, P. & Perez Brito, D. & Policastro, S. & Saldanha de Gama, F. A. & Zidda, P.**288-298 Efficiency in constrained continuous location***by*Ndiaye, M. & Michelot, C.**299-309 Some new algorithms for location problems on networks***by*Peeters, Peter H.**310-320 Coincidence conditions in multifacility location problems with positive and negative weights***by*Fliege, Jorg**321-332 A multi-modal approach to the location of a rapid transit line***by*Bruno, Giuseppe & Ghiani, Gianpaolo & Improta, Gennaro**333-342 A multiobjective programming model for locating treatment sites and routing hazardous wastes***by*Giannikos, Ioannis**343-357 Restricted center problems under polyhedral gauges***by*Nickel, Stefan**358-365 The Weber problem with regional demand***by*Carrizosa, E. & Munoz-Marquez, M. & Puerto, J.**366-374 A new assignment rule to improve seed points algorithms for the continuous k-center problem***by*Pelegrin, B. & Canovas, L.**375-392 The return plant location problem: Modelling and resolution***by*Marin, Alfredo & Pelegrin, Blas

### 1998, Volume 104, Issue 1

**1-17 Forest management challenges for operational researchers***by*Martell, David L. & Gunn, Eldon A. & Weintraub, Andres**18-30 Monitoring pollution accidents***by*Gottinger, Hans W.**31-45 Relationships between the decision support system subspecialities and reference disciplines: An empirical investigation***by*Eom, Sean B.**46-62 The structure of qualitative decision-making***by*Brugha, Cathal M.**63-76 The structure of adjustment decision-making***by*Brugha, Cathal M.**77-92 The structure of development decision-making***by*Brugha, Cathal M.**93-99 Heuristic concentration and Tabu search: A head to head comparison***by*Rosing, K. E. & ReVelle, C. S. & Rolland, E. & Schilling, D. A. & Current, J. R.**100-112 Exact and heuristic algorithms for the uncapacitated multiple allocation p-hub median problem***by*Ernst, Andreas T. & Krishnamoorthy, Mohan**113-128 An empirical study of a new metaheuristic for the traveling salesman problem***by*Tsubakitani, Shigeru & Evans, James R.**129-138 New edges not used in shortest tours of TSP***by*Sakakibara, Katsuaki**139-153 Minimum directed 1-subtree relaxation for score orienteering problem***by*Kataoka, Seiji & Yamada, Takeo & Morito, Susumu**154-174 New algorithms for product positioning***by*Hansen, Pierre & Jaumard, Brigitte & Meyer, Christophe & Thisse, Jacques-Francois**175-186 Capacity planning for phased implementation of flexible manufacturing systems under budget restrictions***by*Lim, Seung-Kil & Kim, Yeong-Dae**187-200 A cyclic production problem: an application of max-algebra***by*Nawijn, Wim M.**201-217 The design of service systems with queueing time cost, workload capacities and backup service***by*Amiri, Ali**218-230 Diagnosis and treatment of congestion in central urban areas***by*Roberg, Penina & Abbess, Christopher R.**231-240 A new Markovian description of the M/G/1 retrial queue***by*Rodrigo, A. & Vazquez, M. & Falin, G.**241-249 Network-based formulations of the quadratic assignment problem***by*Ball, Michael O. & Kaku, Bharat K. & Vakhutinsky, Andrew**250-261 Minimal spanning trees with a constraint on the number of leaves***by*Fernandes, Lucinda Matos & Gouveia, Luis

### 1997, Volume 103, Issue 3

**411-425 Q-analysis for modeling and decision making***by*Duckstein, Lucien & Nobe, Steven A.**426-438 Two engineering applications of a constrained shortest-path model***by*Elimam, A. A. & Kohler, David**439-452 Heuristics for scheduling in a Kanban system with dual blocking mechanisms***by*Sharadapriyadarshini, B. & Rajendran, Chandrasekharan**453-469 Role of design-philosophies in interfacing manufacturing with marketing***by*Balakrishnan, Nagraj & Chakravarty, Amiya K. & Ghose, Sanjoy**470-482 Does cooperation in auditing matter? A comparison of a non-cooperative and a cooperative game model of auditing***by*Cook, J. & Hatherly, D. & Nadeau, L. & Thomas, L. C.**483-496 Ensuring quality in resource constrained project scheduling***by*Icmeli-Tukel, Oya & Rom, Walter O.**497-514 Tool planning models for flexible manufacturing systems***by*Mohamed, Zubair M. & Bernardo, John J.**515-530 Storage controlled pile-up systems, theoretical foundations***by*Rethmann, J. & Wanke, E.**531-546 Simulation techniques for the sensitivity analysis of multi-criteria decision models***by*Butler, John & Jia, Jianmin & Dyer, James**547-556 A branch and bound algorithm for the two-stage assembly scheduling problem***by*Hariri, A. M. A. & Potts, C. N.**557-572 Reordering strategies for a newsboy-type product***by*Lau, Hon-Shiang & Lau, Amy Hing-Ling**573-583 Optimal ordering and pricing policies in a single-period environment with multivariate demand and markdowns***by*Urban, Timothy L. & Baker, R. C.**584-594 The asymptotic value-to-capacity ratio for the multi-class stochastic knapsack problem***by*Lee, Tae-Eog & Oh, Geun Tae**595-609 Dynamic server assignment in a two-queue model***by*Boxma, O. J. & Down, D. G.**610-627 Minimizing waiting times in integrated fixed interval timetables by upgrading railway tracks***by*Nachtigall, Karl & Voget, Stefan**628-634 Operations research applications in Taiwan: A linguistic approach***by*Kao, Chiang & Liu, Shiang-Tai

### 1997, Volume 103, Issue 2

**275-276 Artificial intelligence tools for decision support systems***by*Rosenthal-Sabroux, Camille & Zarate, Pascale**277-295 A comparative study of methodologies for designing IDSSs***by*Blair, Andrew & Debenham, John & Edwards, Jenny**296-311 Knowledge acquisition issues in the design of decision support systems in quality control***by*Deslandres, V. & Pierreval, H.**312-325 Comparison of some AI and statistical classification methods for a marketing case***by*Montgomery, D. & Swinnen, G. & Vanhoof, K.**326-338 Driving Tabu Search with case-based reasoning***by*Grolimund, Stephan & Ganascia, Jean-Gabriel**339-349 Financial decision support with hybrid genetic and neural based modeling tools***by*Kumar, Ned & Krovi, Ravindra & Rajagopalan, Balaji**350-372 Supporting a complex audit judgment task: An expert network approach***by*Davis, Jefferson T. & Massey, Anne P. & Lovell, Ronald E. R.**373-388 A framework for group decision support systems: Combining AI tools and OR techniques***by*Karacapilidis, Nikos I. & Pappis, Costas P.**389-409 Negotiation support systems: A multi-criteria and multi-agent approach***by*Espinasse, Bernard & Picolet, Guy & Chouraqui, Eugene

### 1997, Volume 103, Issue 1

**1-17 Quantitative models for reverse logistics: A review***by*Fleischmann, Moritz & Bloemhof-Ruwaard, Jacqueline M. & Dekker, Rommert & van der Laan, Erwin & van Nunen, Jo A. E. E. & Van Wassenhove, Luk N.**18-27 A103 (1997) 18-27 in heavily congested cities***by*Sinclair, Marius & van Oudheusden, Dirk L.**28-37 Estimating returns to scale in DEA***by*Golany, Boaz & Yu, Gang**38-54 A multicriteria decision aid approach for energy planning problems: The case of renewable energy option***by*Georgopoulou, E. & Lalas, D. & Papagiannakis, L.**55-82 Nervousness in inventory management: Comparison of basic control rules***by*de Kok, Ton & Inderfurth, Karl**83-94 The option value of advanced R & D***by*Pennings, Enrico & Lint, Onno**95-112 A multi-level composite heuristic for the multi-depot vehicle fleet mix problem***by*Salhi, S. & Sari, M.**113-116 A two-machine preemptive openshop scheduling problem: An elementary proof of NP-completeness***by*Gladky, A. A.**117-128 Allocation of warehouse inventory with electronic data interchange and fixed order intervals***by*Ernst, Ricardo & Kamrad, Bardia**129-138 An efficient heuristic for scheduling in a flowshop to minimize total weighted flowtime of jobs***by*Rajendran, Chandrasekharan & Ziegler, Hans**139-154 An evaluation of due date, resource allocation, project release, and activity scheduling rules in a multiproject environment***by*Yang, Kum-Khiong & Sum, Chee-Chuong**155-169 Multifleet routing and multistop flight scheduling for schedule perturbation***by*Yan, Shangyao & Tu, Yu-ping**170-185 Relative risk--value models***by*Dyer, James S. & Jianmin Jia**186-197 Handling missing prices in a thinly traded stock market: implications for the specification of event study methods***by*Kallunki, Juha-Pekka**198-208 A tabu search Hooke and Jeeves algorithm for unconstrained optimization***by*Al-Sultan, K. S. & Al-Fawzan, M. A.**209-229 Exact algorithms for the stochastic shortest path problem with a decreasing deadline utility function***by*Murthy, Ishwar & Sarkar, Sumit**230-241 Investigation of path-following algorithms for signomial geometric programming problems***by*Yang, Hsu-Hao & Bricker, Dennis L.**242-254 An analysis of the impact of chaotic dynamics on management information flow models***by*Riggle, Charlene & Madey, Gregory