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

# CORE Discussion Papers

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

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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)**

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### 1995

**1995078 Monetary equilibria***by*DREZE, Jacques & POLEMARCHAKIS, Heracles**1995077 Can Irrelevant Product Differentiation Matter ?***by*VENTURA , Luigi**1995076 The Revelation of Information and Self-Fulfilling Beliefs***by*DUTTA, Jayasri & MORRIS, Stephen**1995075 Cutting Planes for Integer Programs with General Integer Variables***by*CERIA, Sebastian & CORDIER, Cecile & MARCHAND, Hugues & WOLSEY, Laurence**1995074 Trade Policy and Wages when Firms can delocalize Production***by*TURRINI , Alessandro**1995073 A Model of General Equilibrium with Unforeseen Contingencies***by*MODICA, Salvatore & RUSTICHINI, Aldo & TALLON, Jean-Marie**1995072 Which Improves Welfare More : Nominal or Indexed Bond ?***by*MAGILL, Michael & QUINZII, Martine**1995071 Bootstrap Estimation for Nonparametric Efficiency Estimates***by*WILSON, Paul & SIMAR, Leopold**1995070 On the Convex Hull of the Composition of a Separable and a Linear Function***by*KLEIN HANEVELD, Willem K. & STOUGIE, Leen & VAN der VLERK, M.H.**1995069 Stochastic Volatility***by*GHYSELS, Eric & HARVEY, Andrew & RENAULT, Eric**1995068 Cost Uncertainty and Trade Liberalization in International Oligopoly***by*MONER COLONQUES , Rafael**1995067 Infeasible Start Interior-Point Primal-Dual Methods in Nonlinear Programming***by*NESTEROV , Yurii**1995066 Mobility and Redistribution : A Survey***by*CREMER, Helmuth & FOURGEAUD, Virginie & LEITE MONTEIRO, Manuel & MARCHAND, Maurice**1995065 Distribution of Demand Behavior and the Golden Rule Stationary State***by*MARET , Isabelle**1995064 The Discretization Bias for Processes of the Short-Term Interest Rate : An Empirical Analysis***by*DE WINNE , Rudy**1995063 On the Endogenous Formation of Secondary Employment Centers in a City***by*FUJITA, Masahisa & THISSE, Jacques-François & ZENOU, Yves**1995062 Solving Stochastic Programs with Complete Integer Recourse : A Framework Using Gröbner Bases***by*SCHULTZ, Rüdiger & STOUGIE, Leen & van der VLERK, Maarten**1995061 Aspects of Statistical Analysis in DEA-Type Frontier Models***by*SIMAR , Léopold**1995060 A General Framework for Frontier Estimation with Panel Data***by*KNEIP, Alois & SIMAR, Léopold**1995059 Labor Mobility and Redistribution with Evolving Altruism : The Small Economy Case***by*MICHEL, Philippe & PESTIEAU, Pierre & VIDAL, Jean-Pierre**1995058 The Distribution of Wealth with Imperfect Altruism***by*DUTTA, Jayasri & MICHEL, Philippe**1995057 Infinitary S5-Epistemic Logic***by*HEIFETZ , Aviad**1995056 International Negotiations on Acid Rains in Northern Europe : A Discrete Time Iterative Process***by*GERMAIN, Marc & TOINT, Philippe & TULKENS, Henry**1995055 Bid Rents under Unemployment Risk : Delayed versus Timeless Uncertainty***by*EECKHOUDT, Louis & ZENOU, Yves**1995054 Redistributive Taxation and Social Insurance***by*CREMER, Helmuth & PESTIEAU, Pierre**1995053 Two-Person Sequential Bargaining with Boundedly Rational Players***by*VANNETELBOSCH , Vincent V.**1995052 Extended Paretian Rules and Relative Utilitarianism***by*DHILLON , Amrita**1995051 Demand Fluctuations and Capacity Utilization under Duopoly***by*GABSZEWICZ, Jean J. & PODDAR , Sougata**1995050 The Core of an Economy with Multilateral Environmental Externalities***by*CHANDER, Parkash & TULKENS, Henry**1995049 Full Sample Maximum Likelihood Estimation of Dynamic Demand Models***by*DESCHAMPS , Philippe J.**1995048 On Strategic Equilibria and Rational Choice***by*DE WOLF , Olivier & FORGES , Françoise**1995047 Ill-Posedness and Quadratic Programming : Stability and Complexity Issues***by*VERA , Jorge**1995046 Time Preference and Labour Migration in an OLG Model with Land and Capital***by*CRETTEZ , Bertrand & MICHEL , Philippe & VIDAL , Jean-Pierre**1995045 Learning in Differential Information Economies with Cooperative Solution Concepts : Core and Value***by*KOUTSOUGERAS las C., Leonidas & YANNELIS , Nicho**1995044 Primal-Dual Interior-Point Methods for Self-Scaled Cones***by*NESTEROV , Yurii & TODD , Michael**1995043 Sensitivity Analysis to Efficiency Scores : How to Bootstrap in Nonparametric Frontier Models***by*SIMAR, Léopold & WILSON, Paul**1995042 Measuring the Sources of Output Growth in a Panel of Countries***by*KOOP , Gary & OSIEWALSKI, Jacek & STEEL , Mark**1995041 Unemployment Benefits versus Employment Subsidies : A Welfare Appraisal***by*de KERCHOVE , Anne-Marie & GABSZEWICZ, Jean & GERARD-VARET, Louis-André**1995040 Minimum Cost Capacity Installation for Multicommodity Network Flows***by*BIENSTOCK , Daniel & CHOPRA , Sunil & GÜNLÜK , Oktay & TSAI , Chi-Yang**1995039 From Repeated Games to Brownian Games***by*De Meyer , B.**1995038 On the Weak Consistency of the Quasi-Maximum Likelihood Estimator in VAR Models with BEKK-GARCH(1,q) Errors***by*BAUWENS, Luc & VANDEUREN, Jean-Pierre**1995037 Competing Risk Models : Problems of Modelling and of Identification***by*MOUCHART, Michel & ROLIN , Jean-Marie**1995036 Bayesian Efficiency Analysis through Individual Effects : Hospital Cost Frontiers***by*KOOP , Gary & OSIEWALSKI , Jacek & STEEL , Mark**1995035 Bayesian Analysis of Long Memory and Persistence using ARFIMA Models***by*KOOP , Gary & LEY , Eduardo & OSIEWALSKI , Jacek & STEEL , Mark**1995034 On the Exact Moments of Non-Standard Asymptotic Distributions in Non Stationary Autoregressions with Dependent Errors***by*GONZALO , Jesus & PITARAKIS , Jean-Yves**1995033 Behavioral Heterogeneity and Structural Properties of Aggregate Demand***by*Kneip , A.**1995032 Lessons for Employment and Growth in Western Europe***by*SNEESSENS , Henri R.**1995031 Common Trends and Common Cycles in Belgian Sectoral GDP***by*GERVAZ, Carolina**1995030 Inference Robustness in Multivariate Models with a Scale Parameter***by*FERNANDEZ, Carmen & OSIEWALSKI, Jacek & STEEL, Mark FJ.**1995029 Marginal Rates of Substitution for Uninsurable Risks with Constrained-Efficient Asset Structures***by*HARA , Chiaki**1995028 How Canonical is the Canonical Model ? A Comment on Aumann's Interactive Epistemology***by*HEIFETZ , Aviad**1995027 A Unified Perspective on Resource Allocation : Limited Arbitrage is Necessary and Sufficient for the Existence of a Competitive Equilibrium, the Core and Social Choice***by*CHICHILNISKY , Graciela**1995026 Joint Distribution of Demand Functions and Price Expectation Functions, and Structural Properties of Market Demand***by*MARET , Isabelle**1995025 A Two Stage Core with Applications to Asset Markets and Differential Information Economies***by*KOUTSOUGERAS , Leonidas C.**1995024 Decentralized Adaptive Learning : Global Stability inspite of "Local Instability" in a General Equilibrium Example***by*Chatterji, S. & Chattopadhyay, S.**1995023 Product Differentiation, Entry and Undercut-Proof Equilibrium***by*PODDAR, Sougata**1995022 The Reform of the Western European Cooperative Legislation : A First Assessment from a Bargaining Point of View***by*MARINI, Marco & ZEVI, Alberto**1995021 A Comparison between the Core and the Monopoly Solutions in a Mixed Exchange Economy***by*Shitovitz, B.**1995020 Incomplete Information Games and the Normal Distribution***by*MERTENS, Jean-François & ZAMIR, Shmuel**1995019 Optimal Penal Codes in Stochastic Bertrand Games and Collusion over the Business Cycle***by*LAMBSON , Val E.**1995018 Efficiency in Correlated Equilibrium***by*RAY , Indrajit**1995017 The Voting Mechanism and Market Allocation : A Note***by*GABSZEWICZ, Jean J. & VAN YPERSELE , Tanguy**1995016 Duration Models***by*FLORENS, Jean-Pierre & FOUGERE, Denis & MOUCHART, Michel**1995015 A Bound for Continuous Martingales in a Cone***by*DE MEYER , Bernard**1995014 "Buy it or make it Yourself ?" A Paradox***by*GABSZEWICZ, Jean J. & GARELLA, Paolo G.**1995013 Technical Efficiency Measures on DEA and FDH : A Reconsideration of the Axiomatic Literature***by*KERSTENs, Kris & VANDEN EECKAUT, Philippe**1995012 Gaussian Estimation of a Continuous Time Dynamic Model with Common Stochastic Trends***by*SIMOS , Theodore**1995011 Common Belief in Monotonic Epistemic Logic***by*HEIFETZ , Aviad**1995010 Moral Hazard and Conditional Preferences***by*DREZE, Jacques H. & RUSTICHINI, Aldo**1995009 Continuous Stochastic Games of Capital Accumulation with Convex Transition***by*AMIR , Rabah**1995008 Labor Specialization and City Formation***by*BERLIANT, Marcus & ZENOU, Yves**1995007 Wage Determination and Capital Decisions in a Dynamic Monopoly Union Model (with an Application to Greek Manufacturing)***by*JAFAREY, Saqib & KASKARELIS, Yannis & MIAOULI, Natasha**1995006 The Speed of Convergence in Repeated Games with Incomplete Information on One Side***by*MERTENS , Jean-François**1995005 Quasi Indirect Inference for Diffusion Processes***by*BROZE, Laurence & SCAILLET, Olivier & ZAKOIAN, Jean-Michel**1995004 "Social Dumping" and Delocalization : Is there a Case for Imposing a Social Clause ?***by*CORDELLA, Tito & GRILO, Isabel**1995003 The Components of Output Growth : A Cross-Country Analysis***by*KOOP, Gary & OSIEWALSKI, Jacek & STEEL, Mark**1995002 Continuous Approximations in the Study of Hierarchies***by*VAN ZANDT, Timothy**1995001 A Note on Consensus without Common Knowledge***by*HEIFETZ, Aviada

### 1994

**1994082 General Equilibrium : 40th Anniversary Conference, 3-5 June 1993***by*Grodal , B. & Hahn , F. & Hildenbrand , W. & Polemarchakis, H.**1994081 Forecast Intervals in ARCH Exponential Smoothing***by*BROZE, Laurence & MELARD, Guy & SCAILLET, Olivier**1994080 Money and Monetary Policy in General Equilibrium***by*DREZE, Jacques H. & POLEMARCHAKIS, Heracles M.**1994079 Optimal Placement of ADD/DROP Multiplexers : Heuristic and Exact Algorithms***by*SUTTER, Alain & VANDERBECK, François & WOLSEY, Laurence**1994078 Optimality Properties of Alternative Systems of Taxation of Foreign Capital Income***by*MINTZ, Jacques & TULKENS , Henry**1994077 Imperfect Competition in an Overlapping Generations Model : A Case for Fiscal Policy***by*d ASPREMONT, Claude & DOS SANTOS FERREIRA, Rodolphe & GERARD-VARET, Louis-André**1994076 Efficiency Wages, Involuntary Unemployment and Urban Spatial Structure***by*ZENOU, Yves & SMITH, Tony E.**1994075 Forty Years of Public Economics : A Personal Perspective***by*DREZE , Jacques H.**1994074 A Role for Monetary Policy when Prices reveal Information : An Example***by*POLEMARCHAKIS, Heracles & SECCIA, Giulio**1994073 Moral Hazard in Teams with Uncertainty, and Transfers or Repetition as Enforcement Mechanisms***by*d ASPREMONT, Claude & GERARD-VARET, Louis-André**1994072 Exchange and Optimality***by*GHOSAL, Sayantan & POLEMARCHAKIS , Heracles**1994071 Equilibrium Selections***by*ALLEN, Beth & DUTTA , Jayasri & POLEMARCHAKIS , Heracles**1994070 Redistributive Policy with Labour Mobility across Countries***by*LEITE MONTEIRO , Manuel**1994069 Interregional Reditribution through Tax Surcharge***by*CREMER, Helmuth & MARCHAND, Maurice & PESTIEAU, Pierre**1994068 Market Power, Coordination Failures and Endogenous Fluctuations***by*d ASPREMONT, Claude, & DOS SANTOS FERREIRA , Rodolphe & GERARD-VARET , Louis-André**1994067 On the Dixit-Stiglitz Model of Monopolistic Competition as Enforcement Mechanisms***by*d ASPREMONT, Claude & DOS SANTOS FERREIRA, Rodolphe & GERARD-VARET, Louis-André**1994066 On a Shareholder Constrained Efficient Criterion for Strategic Firms***by*VENTURA , Luigi**1994065 Comovements in Large Systems***by*GONZALO, Jesus & PITARAKIS, Jean-Yves**1994064 Network Structure and Entry in the Deregulated Airline Industry***by*BERECHMAN, Joseph & PODDAR, Sougata & SHY, Oz**1994063 Eductive Stability in a Two Period Economy***by*GHOSAL , Sayantan**1994062 Self-Scaled Cones and Interior-Point Methods in Nonlinear Programming***by*NESTEROV ., Yurii E. & TODD , Michael J**1994061 Posterior Analysis of Stochastic Frontier Models using Gibbs Sampling***by*KOOP, Gary & STEEL, Mark F. & OSIEWALSKI, Jacek**1994060 Equilibria with Social Security***by*BOLDRIN, Michele & RUSTICHINI, Aldo**1994059 Cournot Equilibria in Markets with a Continuum of Traders***by*CODOGNATO, Giulio & GHOSAL, Sayantan**1994058 Self-Fulfilling Mechanisms in Repeated Games with Incomplete Information***by*FORGES, Françoise & MINELLI , Enrico**1994057 Social Protection and Political Competition***by*GABSZEWICZ, Jean J. & VAN YPERSELE, Tanguy**1994056 Stable Trading Structures in Bilateral Oligopolies***by*BLOCH, Francis & GHOSAL, Sayantan**1994055 Evolution with State-Dependent Mutations***by*BERGIN, James & LIPMAN, Bart**1994054 Cost and Efficiency of Major Urban Transit Systems in Europe***by*WUNSCH , Pierre**1994053 The Node Capacitated Graph Partitioning Problem : A Computational Study***by*FERREIRA, Carlos E. & de SOUZA, Cid C. & MARTIN, Alexander & WEISMANTEL, Robert**1994052 Education Subsidies and Endogenous Growth : Implications of Demographic Shocks***by*DOCQUIER, Frédéric & MICHEL, Philippe**1994051 Noise vs Inefficiency. Evidence from Mass Transit***by*VANDEN EECKAUT, Philippe & WUNSCH, Pierre**1994050 Real Wages, Skill Mismatch and Unemployment Persistence***by*SNEESSENS, Henri R. & SHADMAN-MEHTA, Fatemeh**1994049 Fiscal Policy in a Growth Model with Both Altruistic and Non Altruistic Agents***by*MICHEL, Philippe & PESTIEAU , Pierre**1994048 A Core-Theoretic Solution for the Design of Cooperative Agreements on Transfrontier Pollution***by*CHANDER, Parkash & TULKENS, Henry**1994047 Nonparametric Approaches to the Assessment of the Relative Efficiency of Bank Branches***by*TULKENS, Henry & MALNERO, Amador**1994046 A Few Remarks on Imperfect Competition with Incompleteness of Markets***by*VENTURA , Luigi**1994045 Ausi Expected Utility : An Anticipated Utility Theory of Relative Disappointment Aversion***by*GRANT, Simon & KAJII, Atsushi**1994044 Self-Fulfilling Mechanisms and Rational Expectations***by*FORGES, Françoise & MINELLI , Enrico**1994043 State Dependent Utility***by*RUSTICHINI, Aldo & DREZE, Jacques H.**1994042 "Nice" Trivial Equilibria in Strategic Market Games : A Comment on Dubey-Shubik (1978)***by*CORDELLA , Tito & GABSZEWICZ , Jean J.**1994041 Pitfalls of Normal-Gamma Stochastic Frontier Models***by*RITTER, Christian & SIMAR, Leopold**1994040 The Profit-Maximizing Weber Problem***by*HANSEN, Pierre & PEETERS, Dominique & THISSE, Jacques-François**1994039 Price Discrimination with Costly Consumer Arbitrage***by*ANDERSON, Simon P. & GINSBURGH , Victor A.**1994038 Do Art Experts make Rational Estimates of Pre-Sale Prices ?***by*BAUWENS, Luc & GINSBURGH, Victor A.**1994037 Formulations and Valid Inequalities for the Node Capacitated Graph Partitioning Problem***by*FERREIRA, Carlos E. & MARTIN, Alexander & de SOUZA, Cid C. & WEISMANTEL, Robert**1994036 Technical Development, Competition from Low-Wage Economies and Low-Skilled Unemployment***by*DREZE, Jacques H. & SNEESSENS, Henri**1994035 Pigovian Taxes, Tradable Permits and a Dynamic Process for an Economy with Pollution***by*de SOUSA RAMOS , Francisco**1994034 Oligopolistic Competition and the Optimal Provision of Products***by*ANDERSON, Simon P. & DE PALMA, André & NESTEROV, Yurii**1994033 The Nature of Two-Direction Intergenerational Transfers of Money and Time : An Empirical Analysis***by*IOANNIDES , Yannis & KAN , Kamhon**1994032 Structural Estimation of Residential Mobility and Housing Tenure Choice***by*IOANNIDES, Yannis & KAN, Kamhon**1994031 Optimal Licensing in a Spatial Model***by*CABALLERO-SANZ, Francisco & MONER-COLONQUES, Rafael & SEMPERE-MONERRIS, J.J.**1994030 Existence and Efficiency Properties of an Approximate Equilibrium when Asset Markets are Incomplete : A Welfare Approach***by*GINSBURGH, Victor & KEYZER, Michiel**1994029 Prices, Asset Markets and Indeterminacy***by*POLEMARCHAKIS, Heracles & SICONOLFI , Paolo**1994028 Two-Sided Search, Marriages and Matchmakers***by*BLOCH, Francis & RYDER, Harl**1994027 Algorithms and Reformulations for Lot Sizing Problems***by*POCHET, Yves & WOLSEY , Laurence**1994026 Optimal Trees***by*MAGNANTI, Thomas & WOLSEY, Laurence**1994025 Strategic Intergenerational Bequests with Stochastic Convex Production***by*AMIR , Rabah**1994024 Stackelberg vs. Cournot / Bertrand Equilibrium***by*AMIR, Rabah & GRILO, Isabel**1994023 Radial and Nonradial Technical Efficiency Measures on a DEA Reference Technology : A Comparison using US Banking Data***by*FERRIER, Gary & KERSTENS, Kris & VANDEN EECKAUT, Philippe**1994022 Repeated Games. Part C : Further Developments***by*MERTENS, Jean-François & SORIN , Sylvain & ZAMIR , Shmuel**1994021 Repeated Games. Part B : The Central Results***by*MERTENS , Jean-François & SORIN , Sylvain & ZAMIR , Shmuel**1994020 Repeated Games. Part A : Background Material***by*MERTENS , Jean-François & SORIN , Sylvain & ZAMIR , Shmuel**1994019 An Exact Algorithm for IP Column Generation***by*VANDERBECK, François & WOLSEY, Laurence**1994018 Identification Restrictions and Posterior Densities in Cointegrated Gaussian VAR Systems***by*BAUWENS, Luc & LUBRANO , Michel**1994017 Hidden Information Acquisition and Static Choice***by*VAN ZANDT , Timothy**1994016 The Penalty for Tax Evasion when Taxes are set Optimally***by*PESTIEAU, Pierre & POSSEN, Uri & SLUTSKY, Steven**1994015 Tougher Price-Competition or Lower Concentration : A Trade-Off for Antitrust Authorities ?***by*d ASPREMONT , Claude & MOTTA , Massimo**1994014 A Note on Affine Aggregation***by*DE MEYER, Bernard & MONGIN , Philippe**1994013 Cournot Oligopoly and the Theory of Supermodular Games***by*AMIR, Rabah**1994012 Quality Regulation in the Monopoly Case : The Impact of Information***by*Beitia , A.**1994011 Deriving Correlated Equilibrium as the Stable Standard of behavior of a Social Situation : A Note***by*RAY, Indrajit**1994010 Time-Consistent Criminal Sanctions***by*BOADWAY, Robin & MARCEAU, Nicolas & MARCHAND, Maurice**1994009 Dynamic Capital Interactions, Externalities and Trade***by*Datta, M. & Mirman, L.**1994008 On the Role of Paper Money in General Equilibrium Model without Transactions Costs***by*KAJII, Atsushi**1994007 Another Look at the American Electrical Utility Data***by*RITTER, Christian & SIMAR, Léopold**1994006 Externalities and Price Dynamics***by*DATTA, Manjira**1994005 On the Logic of Common Belief and Common Knowledge***by*LISMONT, Luc & MONGIN, Philippe**1994004 Unawareness : A Formal Theory of Unforeseen Contingencies. Part II***by*MODICA, Salvatore & RUSTICHINI, Aldo**1994003 A Method of Estimating the Average Derivative***by*BANERJEE , Anurag N.**1994002 Alternative Notions of Knowledge***by*MORRIS , Stephen**1994001 A Nonadditive Probability Model of Individual Choice***by*BILLOT, Antoine & THISSE, Jacques-François

### 1993

**1993057 Stochastic Frontiers : A Semiparametric Approach***by*PARK, Byeong & SICKLES, Robin & SIMAR, Léopold**1993056 Tariff Policy and Multinational Firms : How to Jump Tariff Jumping***by*CORDELLA, Tito & VANNINI, Stefano**1993055 Generic Existence of Competitive Equilibria when the Asset Market is Incomplete : A Symmetric Argument***by*POLEMARCHAKIS, Heracles & SICONOLFI, Paolo**1993054 Knowledge at Equilibrium***by*MINELLI, Enrico & POLEMARCHAKIS, Heracles**1993053 Coalition-Proof Correlated Equilibrium : A Definition***by*RAY , Indrajit**1993052 Signal Extraction in Presence of Infrequent Shocks***by*BIANCHI , Marco**1993051 Infrequent Shocks in the US Nominal Wage Series***by*BIANCHI, Marco**1993050 Segmented Regressions and Causality (with applications to macroeconomic time series)***by*BIANCHI , Marco**1993049 A Tactical Planning Model for Mixed-Model Electronics Assembly Operations***by*BALAKRISHNAN, Anantaram & VANDERBECK, François**1993048 Relative Utilitarianism***by*DHILLON, Amrita & MERTENS, Jean-François**1993047 The Formulation of Uncertainty : Prices and States***by*DREZE , Jacques H.**1993046 A Non-Minimal but Very Weak Axiomatization of Common Belief***by*MONGIN , Philippe**1993045 Profile Methods***by*RITTER, Christian & BATES, Douglas M.**1993044 Stability in Generalised Assignment Models : Some Concepts and an Application to Technology Transfer***by*CHAUDHURI, Prabal Ray**1993043 A Note on Pareto Optimality in Differential Information Economies***by*FORGES , Françoise**1993042 Markets, Arbitrage and Social Choices***by*CHICHILNISKY , Graciela**1993041 Bequests as a heir : "Discipline device"***by*CREMER, Helmuth & PESTIAU, Pierre**1993040 Location on Networks***by*LABBE, Martine & PEETERS, Dominique & THISSE, Jacques-François**1993039 Belief Closure : A Semantics of Common Knowledge for Modal Propositional Logic***by*LISMONT, Luc & MONGIN, Philippe**1993038 A Cutting Plane Approach to Capacitated Lost-Sizing with Start-Up Costs***by*CONSTANTINO , Miguel**1993037 Regions of Europe : A Feasible Status, to be discussed***by*DREZE , Jacques H.**1993036 Unawareness : A Formal Theory of Unforeseen Contingencies. Part I***by*MODICA, Salvatore & RUSTICHINI, Aldo**1993035 Delegation in a Vertically Differentiated Duopoly***by*BARROS, Fatima & GRILO, Isabel**1993034 Equilibrium with Incomplete Financial Markets : Uniqueness of Equilibrium Expectations and Real Indeterminacy***by*PIETRA, Tito & SICONOLFI, Paolo**1993033 Trade and Welfare***by*CORDELLA, Tito & MINELLI, Enrico & POLEMARCHAKIS, Heracles**1993032 Diverging Patterns in a Two Country Model with Endogenous Labor Migration***by*REICHLIN, Pietro & RUSTICHINI, Aldo**1993031 Testing for Continuous-Time Models of the Short-Term Interest Rate***by*BROZE, Laurence & SCAILLET, Olivier & ZAKOIAN , Jean-Michel**1993030 Liquidity and Financial Intermediation***by*DUTTA, Jayasri & KAPUR, Sandeep**1993029 On Asymptotically Exact Testing of Nonparametric Hypotheses***by*LEPSKII , Oleg V.**1993028 The Value of Failure***by*Haller, Hh. & Pavlopoulos, A.**1993027 Model Selection and Variable Transformations in Nonlinear Regression***by*BUNKE, Olaf & DROGE, Bernd & POLZEHL, Jörg**1993026 Learning by Observation within the Firm***by*DUTTA, Jayasri & PRASAD, Kislaya**1993025 A Bootstrap Test for Single Index Models***by*HÄRDLE, Wolfgang & DIAS PROENCA, sabel M.**1993024 Reparameterization and Estimation in Unit Root Equations***by*VAN HOA , Tran**1993023 Capacitated Facility Location : Valid Inequalities and Facets***by*AARDAL, Karen & POCHET, Yves & WOLSEY, Laurence A.**1993022 Non-Cooperative Implementation in an Assignment Model***by*CHAUDHURI , Prabal R.**1993021 Optimal Taxation and Provision of Public Goods with Non Linear Income and Linear Commodity Taxes in a Two Class Economy***by*NAVA , Mario & MARCHAND , Maurice & SCHROYEN, Fred**1993020 Projection Pursuit Discriminant Analysis***by*POLZEHL , Jörg**1993019 Consistent Bayesian Aggregation***by*MONGIN, Philippe**1993018 Examining the Economic / Econometric Relevance of Discretizing Panel Data : An Application to the Belgian Labour Market***by*Cahuzac, E. & Mouchart, M. & Van Der Linden, B.