# Université catholique de Louvain, Center for Operations Research and Econometrics (CORE)

# CORE Discussion Papers RP

Postal: Voie du Roman Pays 34, 1348 Louvain-la-Neuve (Belgium)

Phone: 32(10)474321

Fax: +32 10474304

Web page: http://www.uclouvain.be/core

Email:

More information through EDIRC

Phone: 32(10)474321

Fax: +32 10474304

Web page: http://www.uclouvain.be/core

Email:

More information through EDIRC

**For corrections or technical questions regarding this series, please contact (Alain GILLIS)**

**Series handle:**repec:cor:louvrp

**Citations RSS feed:**at CitEc

### Impact factors

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

**Access and download statistics**

**Top item:**

- By citations
- By downloads (last 12 months)

**Undated material is presented at the end, although it may be more recent than other items**

### Undated

**999 A bootstrap test for positive definiteness of income effect matrices***by*HÃ„RDLE, Wolfgang & HART, Jeffrey D.**998 Duopoly with spatial and quantity-dependent price discrimination***by*HAMILTON, Jonathan & THISSE,Â Jacques-FranÃ§ois**997 The structure of the set of sunspot equilibria in economies with incomplete financial markets***by*PIETRA,Â Tito**996 Smoothing by weighted averaging of rounded points***by*Hã„Rdle, W.K. & Scott, D.W.**995 Estimating efficiencies from frontier models with panel data: a comparison of parametric, non-parametric and semi-parametric metods with bootstrapping***by*SIMAR,Â LÃ©opold**994 Allowing for inefficiency in parametric estimation of production fucntions for urban transit firms***by*THIRY, Bernard & TULKENS,Â Henry**993 MÃ©canismes bayÃ©siens incitatifs: un survol informel de quelques rÃ©sultats rÃ©cents***by*d'ASPREMONT, Claude & CREMER,Â Jacques & GERARD-VARET, Louis-AndrÃ©**992 Aspects stratÃ©giques des nÃ©gociations internationales sur les pollutions transfrontiÃ¨res et du partage des coÃ»ts de l'Ã©puration***by*CHANDER,Â Parkash & TULKENS,Â Henry**991 Cross section Engel curves over time***by*HÃ„RDLE, Wolfgang & JERISON,Â Michael**990 L'assurance maladie Ã la croisÃ©e des chemins***by*MARCHAND, Maurice**99 De econometrische studies van het gedrag van de mens in BelgÃ¯e met een beknopte bibliografie***by*VAN BROEKHOVEN, Emiel**989 Sunk costs and trade liberalisation***by*MOTTA, Massimo**988 Espace et concurrence. Une cohabitation difficile?***by*THISSE,Â Jacques-FranÃ§ois**987 The equilibria of a multiple objective game***by*ZHAO, Jingang**986 Spatial competition and the core***by*HAMILTON,Â John H. & MacLEOD, W. Bentley & THISSE,Â Jacques-FranÃ§ois**985 On the aggregate effects of individual risks***by*DUTTA,Â Jayasri & POLEMARCHAKIS, Heracles**984 A time indexed formulation of non-preemptive single machine scheduling problems***by*SOUSA, Jorge P. & WOLSEY, Laurence A.**983 Theoretical foundations of negotiations and cost sharing in transfrontier pollution problems***by*CHANDER, Parkash & TULKENS, Henry**982 Robust locally adaptive non-parametric regression***by*HÃ„RDLE, Wolfgang & TSYBAKOV, Alexander**981 Kernel regression smoothing of time series***by*HÃ„RDLE, Wolfgang & VIEU, Philippe**980 Lot-sizing polyhedra with a cardinality constraint***by*AGHEZZAF, El Houssain & WOLSEY, Laurence A.**98 Discount rates for public investment in closed and open economies***by*SANDMO, Agnar & DREZE, Jacques H.**979 Threat-based incentive mechanisms under moral hazard and adverse selection***by*ZOU,Â Liang**978 Regression smoothing parameters that are not far from their optimum***by*HÃ„RDLE, Wolfgang & HALL, Peter & MARRON, Steve**977 Bandwith choice for average derivative estimation***by*HÃ„RDLE, Wolfgang & HART,Â Jeffrey & MARRON,Â Steve & TSYBAKOV, Alexander**976 Integrating the power sector in India***by*SCHOLTES, Philippe R.**975 The role of securities and labour contracts in the optimal allocation of risk-bearing***by*DREZE, Jacques H.**974 COment on "Choosing a kernel regression estimator", by C.K. Ghu and J.S. Marron***by*GRUND, Birgit & HÃ„RDLE, Wolfgang**973 On non-atomic weighted majority games***by*EINY, Ezra & NEYMAN, Abraham**972 A combined phase I - phase II scaled potential algorithm for linear programming***by*ANSTREICHER, Kurt M.**971 Sensitivity analysis in minisum facility location problems***by*LABBE, Martine & THISSE, Jacques-FranÃ§ois & WENDELL, Richard E.**970 Intergenerational transfers within the family***by*CREMER, Helmuth & KESSLER, Denis & PESTIEAU, Pierre**97 Capacity of a network with increasing demands and arcs subject to failure***by*Doulliez, Pj. & Rao, M.R.**969 Bootstrap confidence bands***by*HARDLE, Wolfgang & NUSSBAUM, Michael**968 Empirical evidence on the law of demand***by*HARDLE, Wolfgang & HILDENBRAND, Werner & JERISON, Michael**967 Tax evation and occupational choice***by*PESTIEAU, Pierre & POSSEN, Uri M.**966 Finding minimum cost directed trees with demands and capacities***by*BOUSBA,Â Choaib & WOLSEY, Laurence A.**965 Brand loyalty and advertising: a note***by*NEVEN,Â Damien & THISSE,Â Jacques-FranÃ§ois**964 Equilibres de Cournot-Walras dans une Ã©conomie d'Ã©change***by*CODOGNATO,Â Giulio & GABSZEWICZ,Â Jean**963 Bayesian diagnostics for heterogeneity***by*BAUWENS, Luc & LUBRANO, Michel**962 The "pathology" of the natural conjugate prior density in the regression model***by*BAUWENS,Â Luc**961 Pay-as-you go social security in a changing environment***by*BOADWAY, Robin & MARCHAND,Â Maurice & PESTIEAU, Pierre**960 Stable equilibria - a reformulation. Part II. Discussion of the definition, and further results***by*MERTENS, Jean-FranÃ§ois**96 An international comparison of the international effects of concentration on industry wages, investment, and sales***by*HOROWITZ, Ira**959 Teaching Bayesian statistics: from economic to statistical rationality***by*FLORENS,Â Jean-Pierre & MOUCHART, Michel**958 Optimal linear income taxation in models with occupational choice***by*BOADWAY,Â Robin & MARCHAND, Maurice & PESTIEAU, Pierre**957 Stability of a Keynesian adjustment process***by*DREZE, Jacques H.**956 Asset pricing and observability***by*DUTTA,Â Jayasri & POLEMARCHAKIS, Herakles**955 The target-incentive system vs. the price incentive system under adverse selection and the ratchet effect***by*ZOU, Liang**954 The law of large (small?) numbers and the demand for insurance***by*Eeckhoudt,Â L. & Bauwens, L. & Briys,Â E. & Scarmure,Â P.**953 Capacity adjustment in a competitive industry***by*GABSZEWICZ,Â Jean & MICHEL, Philippe**952 Sunspot eqilibrium as a game-theoretical solution concept***by*FORGES, FranÃ§oise**951 Bootstrap simultaneous error for nonparametric regression***by*Hã„Rdle,Â W. & Marron,Â J.S.**950 Diminution des cotisations patronales Ã la sÃ©curitÃ© sociale et crÃ©ation d'emplois en Belgique***by*VAN der LINDEN, Bruno**95 Market allocation under uncertainty***by*DREZE, Jacques H.**949 Bequests, filial attention and fertility***by*CREMER,Â Helmuth & PESTIEAU,Â Pierre**948 Attitudes towards foreign products and international price competition***by*NEVEN,Â Damien & NORMAN,Â George & THISSE, Jacques-FranÃ§ois**947 Towards an equilibrium model of the mutual funds industry***by*DERMINE,Â Jean & NEVEN,Â Damien & THISSE, Jacques-FranÃ§ois**946 Overlapping generations***by*GEANAKOPLOS,Â John D. & POLEMARCHAKIS, Heraklis M.**945 Bandwith choice for density derivatives***by*Hardle,Â W. & Marron,Â J.S. & Wand,Â Mp.**944 Quantity adjustment costs and price stickiness***by*GINSBURGH,Â Victor & MICHEL, Philippe & MOÃ‹S,Â Philippe**943 Pricing schemes and Cournotian equilibria***by*d'ASPREMONT,Â Claude & DOS SANTOS FERREIRA, Rodolphe & GERARD-VARET,Â Louis-AndrÃ©**942 Spatial duopoly and residential structure***by*FUJITA, Masahisa & THISSE,Â Jacques-FranÃ§ois**941 Existence of marginal cost pricing equilibria in economies with several nonconvex firms***by*BONNISSEAU, Jean-Marc & CORNET, Bernard**940 Informative advertising and competition: a noncooperative approach***by*GARY-BOBO, Robert J. & MICHEL, Philippe**94 The effect of uncertainty on resource allocation in a general aquilibrium model***by*ROTHENBERG, Thomas J. & SMITH, Kenneth R.**939 Discussion on "Labour market policies and unemployment in the OECD" by Richard Jackman, Christopher Pisarides and Sarwas Savouri***by*LAMBERT, Jean-Paul**938 Public pensions: choices for the future***by*MARCHAND, Maurice & PESTIEAU, Pierre**937 From the median to the generalized center***by*HANSEN,Â Pierre & LABBE, Martine & THISSE, Jacques-FranÃ§ois**936 Biased crossvalidation for a kernel regression estimator and its derivatives***by*HÃ„RDLE,Â Wolfgang & CARROLL,Â Raymond J.**935 Structural mismatch, demand and capacity constraints in the rise of French unemployment***by*GAGEY,Â FrÃ©dÃ©ric & LAMBERT, Jean-Paul & OTTENWAELTER, BenoÃ®t**934 Bootstrap methods in nonparametric regression***by*Hã„Rdle,Â W. & Mammen,Â E.**933 Repeated games with incomplete information***by*FORGES,Â FranÃ§oise**932 Disequilibrium on the labor market: an estimation relying on survey data***by*GAGEY,Â FrÃ©dÃ©ric & LAMBERT,Â Jean-Paul & OTTENWAELTER,Â BenoÃ®t**931 Location models of horizontal differentiation: a special case of vertical differentiation models***by*CREMER,Â Helmuth & THISSE,Â Jacques-FranÃ§ois**930 Mixed oligopoly with differentiated products***by*CREMER,Â Helmuth & MARCHAND,Â Maurice & THISSE, Jacques-FranÃ§ois**93 De Gezinsuitgaven***by*VAN BROEKHOVEN, Emiel**929 Optimal membership, employment, and income distribution in unionized and labor-managed firms***by*SPINNEWYN,Â Frans & SVEJNAR,Â Jan**928 Testing for heterogeneous parameters in least-squares approximations***by*Dutta,Â J. & Leon,Â H.L.**927 On the performance of Karmarkar's algorithm over a sequence of iterations***by*ANSTREICHER,Â Kurt M.**926 A note on Bayesian inference in a regression model with elliptical errors***by*OSIEWALSKI,Â Jacek**925 The stability of collusive agreements: some recent theoretical developments***by*JASKOLD GABSZEWICZ,Â Jean**924 MÃ©canismes de marchÃ©s, concurrence et contraintes d'incitation***by*d'ASPREMONT,Â Claude & GERARD-VARET,Â Louis-AndrÃ©**923 Comportements stratÃ©giques et formation des prix***by*JASKOLD GABSZEWICZ, Jean**922 Roy-consistent expectations***by*ALLARD,Â Marie & BRONSARD,Â Camille & RICHELLE,Â Yves**921 MarchÃ©s et concurrence imparfaite***by*JASKOLD GABSZEWICZ,Â Jean & THISSE,Â Jacques-FranÃ§ois**920 Contrats et marchÃ©s***by*d'ASPREMONT,Â Claude & CREMER, Jacques & GERARD-VARET, Louis-AndrÃ©**92 Quand les prix sont-ils plus stables que les rythmes d'achat***by*TELSER, Lester G.**919 Almost N-matrices and linear complementarity***by*Olech, C. & Parthasarathy, T. & Ravindran,Â G.**918 Cutting planes and column generation techniques with the projective algorithm***by*GOFFIN, Jean-Louis & VIAL,Â Jean-Philippe**917 Formulating the single machine sequencing problem with release dates as a mixed integer program***by*E. DYER, Martin & WOLSEY, Laurence A.**916 Generic inefficiency of stock market equilibrium when markets are incomplete***by*Geanakoplos,Â J. & Magill, M. & Quinzii,Â M. & Dreze,Â J.**915 Valid inequalities for 0-1 knapsacks and maps with generalised upper bound constraints***by*WOLSEY,Â Laurence A.**914 Universal mechanisms***by*FORGES,Â FranÃ§oise**913 Convexity and sunspots: a remark***by*Cass, D. & Polemarchakis, H.M.**912 Nonzero-sum stochastic games***by*Mertens, J.-F. & Parthasarathy, T.**911 Evading, auditing and taxing***by*CREMER, Helmuth & MARCHAND,Â Maurice & PESTIEAU,Â Pierre**910 The French unemployment problem. Lessons from a rationing model relying on business survey information***by*LAMBERT, Jean-Paul**91 The transient behaviour of the queue at a fixed cycle traffic light***by*De Smit, J. H. A.**909 On monopolistic competition and involuntary unemployment***by*d'ASPREMONT, Claude & DOS SANTOS FERREIRA, Rodolphe & GERARD-VARET, Louis-AndrÃ©**908 Linear Bayes estimation in finite populations with a categorical auxiliary variable***by*COCCHI, Daniela & MOUCHART, Michel**907 On the optimality of central places***by*QUINZII, Martine & THISSE, Jacques-FranÃ§ois**906 Equilibrium with quantity targets***by*BONNISSEAU, Jean-Marc**905 On the existence of equilibrium points in a class of asymmetric market entry games***by*GARY-BOBO, Robert J.**904 Observability and optimality***by*GEANAKOPLOS, John D. & POLEMARCHAKIS, Heraklis**903 Comparative cooperative game theory***by*ICHIISHI, Tatsuro**902 Incentives and the existence of Pareto-optimal revelation mechanisms***by*d'ASPREMONT, Claude & CREMER, Jacques & GERARD-VARET, Louis-AndrÃ©**901 Optimal path for social security in a changing environment***by*BOADWAY, Robin & MARCHAND, Maurice & PESTIEAU, Pierre**900 The economic implications of an incomplete asset market***by*POLEMARCHAKIS, Heraklis M.**90 Best linear minimum bias estimation in linear regression***by*SCHÃ–NFELD, Peter**9 Epargne et consommation en avenir alÃ©atoire***by*DREZE, Jacques H. & MODIGLIANI, Franco**899 Non-informative rational expectations equilibria when assets are nominal: an example***by*Mischel, K. & Polemarchakis, H.M. & Siconolfi, P.**898 Equilibrium analysis for voting and competitive location problems***by*HANSEN,Â Pierre & THISSE, Jacques-FranÃ§ois & WENDELL,Â Richard E.**897 Equilibria in multi-party competition under uncertainty***by*de PALMA, AndrÃ© & HONG, Gap-Seon & THISSE,Â Jacques-FranÃ§ois**896 Tables of testing Bayesians***by*DREZE,Â Jacques H. & MOUCHART,Â Michel**895 On Pareto improving commodity tax changes under fiscal competition***by*de CROMBRUGGHE, Alain & TULKENS, Henry**894 A recursive procedure to generate all cuts for 0-1 mixed integer programs***by*NEMHAUSER, George L. & WOLSEY,Â Laurence A.**893 Competitive location on networks under delivered pricing***by*LEDERER, Philip J. & THISSE, Jacques-FranÃ§ois**892 Cooperative and noncooperative R&D in duopoly with spillovers: Erratum***by*d'ASPREMONT,Â Claude & JACQUEMIN, Alexis**891 Comment on the 1988 Wald memorial lectures: the present position in Bayesian statistics, by D.V. Lindley***by*MOUCHART,Â Michel**890 Semiparametric comparison of regression curves***by*Hã„Rdle, W. & Marron, S.J.**89 Preference and demand interactions between commodities. Schaarste en Welvaart***by*BARTEN, Anton P.**889 Optimal tax-subsidy policies for industrial adjustment to uncertain shocks***by*BOADWAY,Â Robin W. & WILDASIN, David E.**888 Price differences in EC car markets. Some further results***by*GINSBURGH,Â Victor & VANHAMME,Â GeneviÃ¨ve**887 Options and equilibrium***by*POLEMARCHAKIS,Â Heraklis M. & KU, Bon-Il**886 On resampling inference in econometric models***by*DUTTA, Jayasri**885 Equilibria with communication in a job market example***by*FORGES, FranÃ§oise**884 Les modÃ¨les de choix discret***by*de PALMA, AndrÃ© & THISSE, Jacques-FranÃ§ois**883 Correlated equilibrium in two-person zero-sum games***by*FORGES,Â FranÃ§oise**882 Choix des produits: concurrence en qualitÃ© et en variÃ©tÃ©***by*NEVEN, Damien & THISSE, Jacques-FranÃ§ois**881 Asset markets and equilibrium processes***by*DUTTA, Jayasri & POLEMARCHAKIS, Heraklis**880 Optimal commodity taxation and tax reform under unemployment***by*MARCHAND, Maurice & PESTIEAU,Â Pierre & WIBAUT, Serge**88 Convexity and compactness in countably additive correspondences***by*SCHMEIDLER, David**879 Fixed-point theorems and Morse's lemma for Lipschitzian functions***by*BONNISSEAU, Jean-Marc & CORNET,Â Bernard**878 Formulating the single machine sequencing problem with release dates as a mixed integer program***by*DYER, Martin E. & WOLSEY, Laurence A.**877 Competitive location with random utilities***by*de PALMA, AndrÃ© & GINSBURGH, Victor & LABBE,Â Martine & THISSE, Jacques-FranÃ§ois**876 Shadow prices for public production in an open economy with disequilibrium***by*MARCHAND, Maurice & PESTIEAU, Pierre**875 Uncapacitated plant location under alternative spatial price policies***by*HANJOUL,Â Pierre & HANSEN, Pierre & PEETERS,Â Dominique & THISSE, Jacques-FranÃ§ois**874 Correlated effectivity functions***by*Abdou,Â J. & Mertens, J.-F.**873 On preference relations which satisfy weak independence property***by*EINY,Â Ezra**872 Large symmetric games are characterized by completeness of the desirability relation***by*EINY, Ezra & NEYMAN, Abraham**871 Cost consideration on CO2 abatement***by*GUSBIN,Â Dominique & SMEERS, Yves**870 Linear incentive schemes to control public firms***by*CHAMLEY, Christophe & MARCHAND, Maurice & PESTIEAU, Pierre**87 Short-term consumer behaviour of individual Belgian labour households***by*VAN BROEKHOVEN, Emiel**869 The performance of public enterprises: a comparative efficiency study of railways and postal services***by*PERELMAN,Â Sergio & PESTIEAU, Pierre**868 Dual v uniform prices - an application***by*SCHOLTES, Philippe R.**867 Cournot-Walras and locally consistent equilibria***by*GARY-BOBO, Robert J.**866 Stable equilibria - a reformulation. Part I. Definition and basic properties***by*MERTENS, Jean-FranÃ§ois**865 Is international trade profitable to oligopolistic industries?***by*ANDERSON, Simon P. & DONSIMONI, Marie-Paule & GABSZEWICZ, Jean J.**864 Strong formulations for mixed integer programming: a survey***by*WOLSEY, Laurence A.**863 Minimum-cost distances in spatial analysis***by*Huriot, J.-M. & Smith, T.E. & Thisse, J.-F.**862 Estimation de frontiÃ¨res dÃ©terministes avec facteurs exogÃ¨nes d'inefficacitÃ©***by*DEPRINS, Dominique & SIMAR, LÃ©opold**861 Credit constraints and investment finance: some evidence from Greece***by*DUTTA, Jayasri & POLEMARCHAKIS, Heraklis**860 Une stratÃ©gie de croissance ambidextre pour l'Europe: l'autonomie par la coopÃ©ration***by*DREZE, Jacques & WYPLOSZ, Charles**86 A condition for the completeness of partial preference relations***by*SCHMEIDLER, David**859 L'autogestion et la thÃ©orie Ã©conomique: efficacitÃ©, financement et emploi. L'Entreprise CoopÃ©rative, Tradition et Renouveau***by*DREZE,Â Jacques**858 Unemployment in a Cournot oligopoly model with Ford effects***by*d'ASPREMONT,Â Claude & DOS SANTOS FERREIRA, Rodolphe & GERARD-VARET, Louis-AndrÃ©**857 On maximal ancillarity***by*MOUCHART, Michel & ROLIN, Jean-Marie**856 Tax-transfer policies and the voluntary provision of public goods***by*BOADWAY, Robin & PESTIEAU, Pierre & WILDASIN,Â David**855 Demand estimation for public goods. Distortionary taxation and other sources of bias***by*WILDASIN,Â David E.**854 Multiproduct duopolists***by*CHAMPSAUR, Paul & ROCHET, Jean-Charles**853 Risk-sharing on the labour market: how to treat young generation?***by*GOLLIER,Â Christian**852 EspÃ©rance morale avec risque moral***by*DREZE, Jacques H.**851 A dynamic oligopoly model with demand inertia and inventories***by*PHLIPS,Â Louis & RICHARD,Â Jean-FranÃ§ois**850 Regular simple games***by*EINY, Ezra & LEHRER,Â Ehud**85 An import allocation model for the Common Market***by*BARTEN, Anton P.**849 Adjustment costs, concentration and price behaviour***by*GINSBURGH, Victor & MICHEL, Philippe**848 On the welfare effects of anti-discrimination regulations in the EC car market***by*DAVIDSON, Russell & DEWATRIPONT, Mathias & GINSBURGH, Victor & LABBE, Martine**847 Lipschitz properties of solutions in mathematical programming***by*CORNET, Bernard & LAROQUE, Guy**846 Spatial discrimination. Bertrand vs. Cournot in a model of location choice***by*HAMILTON, Jonathan H. & THISSE, Jacques-FranÃ§ois & WESKAMP, Anita**845 Spatial competition with differentiated products***by*BEN-AKIVA,Â Moshe & DE PALMA, AndrÃ© & THISSE, Jacques-FranÃ§ois**844 Endogenous population and fixed input in a growth model with altruism***by*PESTIEAU, Pierre**843 Unemployment in an extended Cournot oligopoly model***by*d'ASPREMONT,Â Claude & DOS SANTOS FERREIRA,Â Rodolphe & GERARD-VARET, Louis-AndrÃ©**842 Submodularity and valid inequalities in capacitated fixed charge networks***by*WOLSEY, Laurence A.**841 Integer programming***by*NEMHAUSER,Â George L. & WOLSEY, Laurence A.**840 Perceptual maps and the optimal location of new products: an integrative essay***by*SCHMALENSEE, Richard & THISSE, Jacques-FranÃ§ois**84 A useful central limit theorem for m-dependent variables***by*SCHÃ–NFELD, Peter**839 A median voter model of social security***by*BOADWAY, Robin W. & WILDASIN, David E.**838 Spatial price policies reconsidered***by*ANDERSON, Simon P. & de PALMA, AndrÃ© & THISSE, Jacques-FranÃ§ois**837 L'arbitrage enre Ã©quitÃ© et efficacitÃ© en matiÃ¨re d'emploi et de salaires***by*DREZE, Jacques H.**836 A tree-network has the fixed point property***by*LABBE,Â Martine & THISSE, Jacques-FranÃ§ois**835 Productivity, efficiency and technical progress, concepts and measurement***by*THIRY, Bernard & TULKENS, Henry**834 Estimating technical inefficiencies with correction for environmental conditions with an application to railway companies***by*DEPRINS, Dominique & SIMAR, LÃ©opold**833 The demographics of inequality***by*PESTIEAU, Pierre**832 The public firm as an instrument for regulating an oligopolistic market***by*CREMER, Helmuth & MARCHAND,Â Maurice & THISSE, Jacques-FranÃ§ois**831 Interjurisdictional capital mobility: Fiscal externality and a corrective subsidy***by*WILDASIN, David E.**830 Mesure de l'efficacitÃ© productive: mÃ©thodologies et applications aux sociÃ©tÃ©s de transports intercommunaux de LiÃ¨ge, Charleroi et Verviers***by*Tulkens, H. & Thiry, B. & Palm, A.**83 A tÃ¢tonnement process for public goods***by*DREZE, Jacques H. & de LA VALLEE POUSSIN, Dominique**829 Mesure de l'efficacitÃ© productive: applications Ã la sociÃ©tÃ© des transports intercommunaux de Bruxelles***by*NOLLET,Â Charles & THIRY, Bernard & TULKENS, Henry**828 Price discrimination and equilibrium in monopolistic competition***by*McLEOD, W.B. & NORMAN, G. & THISSE, J.-F.**827 A spatial competition approach to central place theory: some basic principles***by*Fujita, M. & Ogawa, H. & Thisse, J.-F.**826 Intertemporal equilibrium and disadvantadeous growth***by*DONSIMONI, Marie-Paule & POLEMARCHAKIS, Heraklis M.**825 Can sunspots replace a mediator?***by*FORGES,Â FranÃ§oise**824 Demand for differentiated products, discrete choice models, and the characteristics approach***by*ANDERSON, Simon P. & de PALMA, AndrÃ© & THISSE, Jacques-FranÃ§ois**823 Cooperative and noncooperative R&D in duopoly with spillovers***by*d'ASPREMONT, Claude & JACQUEMIN, Alexis**822 Performance Ã©conomique des sociÃ©tÃ©s belges de transports urbains: concepts, mÃ©thodes et synthÃ¨se des rÃ©sultats de l'ouvrage***by*THIRY, Bernard & TULKENS, Henry**821 Approximate projections in a projective method for the linear feasibility problem***by*VIAL,Â Jean-Philippe**820 DÃ©sÃ©quilibres sur le marchÃ© du travail: une estimation Ã partir des donnÃ©es d'enquÃªtes de conjoncture***by*GAGEY, FrÃ©dÃ©ric & LAMBERT, Jean-Paul & OTTENWAELTER, BenoÃ®t**82 The double description method for basic solutions with orthogonality property***by*TURNOVEC, Frantisek**819 Competitive equilibria with quantity-taking producers and increasing returns to scale***by*DEHEZ, Pierre & DREZE, Jacques