Cooperation under Oath: A Case for Context-Dependent Preferences
Joao Vaz, Jason Shogren
vol. 229, 2023, p. .

Inflation Dynamics in the Frequency Domain
Manuel M. F. Martins, Fabio Verona
vol. 231, 2023, p. .

Therapeutic Reference Pricing and Drug Innovation Incentives
Odd Rune Straume
vol. 222, 2023, p. .

A Benchmark Model for Fixed-Target Arctic Sea Ice Forecasting
Francis X. Diebold, Maximilian Gobel
vol. 215, 2022, p. 1-5.

Examining Interconnectedness between Media Attention and Cryptocurrency Markets: A Transfer Entropy Story
David Neto
vol. 214, 2022, p. 1-6.

Personalized Pricing with a Price Sensitive Demand
Rosa Branca Esteves, Jie Shuai
vol. 213, 2022, p. 1-5.

Political Elections Uncertainty and Earnings Management: Does Firm Size Really Matter?
Tiago Goncalves, Victor Barros, Gonçalo Serra
vol. 214, 2022, p. 1-5.

Robust Relation between Public Procurement for Innovation and Economic Development
Nuno Bento, Cristina Sousa, Paula Trindade, Ricardo Paes Mamede, Margarida Fontes, Tiago Alves
vol. 211, 2022, p. 1-6.

Do Entry Wages Increase When Severance Pay Drops? Not in Recessions
Pedro Silva Martins
vol. 201, 2021, p. .

Should Vertically Integrated Platforms Be Mandated to Share Information with Their Rivals?
Jorge Padilla, Salvatore Piccolo, Helder Vasconcelos
vol. 203, 2021, p. .

Toehold Acquisitions as Option Games
Jose Lacerda , Paulo Jorge Pereira, Artur Rodrigues
vol. 209, 2021, p. 1-6.

Correcting for Bias Using Multidimensional Measures of Socially Desirable Response
Stefan Meyer, Paulo Santos
vol. 196, 2020, p. .

How Important Are Worker Gross Flows between Public and Private Sector?
Andri Chassamboulli , Idriss Fontaine, Pedro Gomes
vol. 192, 2020, p. .

Improving Schools through School Choice: An Experimental Study of Deferred Acceptance
Flip Klijn, Joana Pais, Marc Vorsatz
vol. 186, 2020, p. .

Leverage, Premium and Timing in Corporate Acquisitions
Marco Pires, Paulo Jorge Pereira
vol. , 2020, p. 1-5.

Monetary Policy and US Housing Expansions: The Case of Time-Varying Supply Elasticities
Bruno Albuquerque, Martin Iseringhausen, Frederic Opitz
vol. 195, 2020, p. .

Overlapping ownership, endogenous quality, and welfare
Duarte Brito, Ricardo Ribeiro, Helder Vasconcelos
vol. 190, 2020, p. .

Zero-Rating and Network Effects
Steffen Hoernig, Francisco Monteiro
vol. 186, 2020, p. .

Can Partial Horizontal Ownership Lessen Competition More Than a Monopoly?
Duarte Brito, Ricardo Ribeiro, Helder Vasconcelos
vol. 176, 2019, p. 90-95.

Does the Deposits Channel Work under a Low Interest Rate Environment?
Ana Isabel Sa, José Jorge
vol. 185, 2019, p. .

Exploring Distinct Sources of Heterogeneity in Discrete Choice Experiment: An Application to Wine Choice across European Consumers
Tânia Gonçalves, Lígia Pinto, Lina Lourenço-Gomes
vol. 178, 2019, p. 28-32.

Input Price Discrimination in the Presence of Downstream Vertical Differentiation
Duarte Brito, Markos Tselekounis, Helder Vasconcelos
vol. 184, 2019, p. .

Sequential Auctions and Auction Revenue
David Salant, Luis Cabral
vol. 176, 2019, p. 1-4.

Earnings Test, Non-actuarial Adjustments and Flexible Retirement
Axel Borsch-Supan, Klaus Hartl, Duarte N. Leite
vol. 173, 2018, p. 78-83.

Fiscal Rules and Fiscal Counter-cyclicality
Joao Tovar Jalles
vol. 170, 2018, p. 159-162.

Measuring Monetary Policy Deviations from the Taylor Rule
Joao António Rodrigues Madeira, Nuno Pedro Palma
vol. 168, 2018, p. 25-27.

A Note on the Wallet Game with Discrete Bid Levels
Ricardo Gonçalves, Indrajit Ray
vol. 159, 2017, p. 177-179.

Affirmative Action through Minority Reserves: An Experimental Study on School Choice
Flip Klijn, Joana Pais, Marc Vorsatz
vol. 139, 2016, p. 72-75.

A Simple Proposal to Improve the Power of Income Convergence Tests
Artur Silva Lopes
vol. 138, 2016, p. 92-95.

Financial Shocks, Comovement and Credit Frictions
Daria Finocchiaro, Caterina Mendicino
vol. 143, 2016, p. 20-23.

Non-competition Covenants in Acquisition Deals
Alcino Azevedo, Paulo Jorge Pereira, Artur Rodrigues
vol. 143, 2016, p. 61-65.

Structural Change Test in Duration of Bull and Bear Markets
João Nicolau
vol. 146, 2016, p. 64-67.

Technology Adoption: Hysteresis and Absence of Lock-In
Paolo Colla, Filomena Garcia
vol. 141, 2016, p. 107-111.

Time-Frequency Characterization of the U.S. Financial Cycle
Fabio Verona
vol. 144, 2016, p. 75-79.

An Alternative Reference Scenario for Global CO2 Emissions from Fuel Consumption: An ARFIMA Approach
José Belbute, Alfredo Marvão Pereira
vol. 136, 2015, p. 108-111.

Bank Capital and Lending: An Analysis of Commercial Banks in the United States
Sudipto Karmakar, Junghwan Mok
vol. 128, 2015, p. 21-24.

Exclusionary Pricing in Markets with Interdependent Demands
Helder Vasconcelos
vol. 134, 2015, p. 24-28.

Introducing Consumer Heterogeneity in Dynamic Games with Multi-product Firms and Differentiated Product Demand
Joao Macieira
vol. 129, 2015, p. 62-65.

Market Structure and Welfare under Monopolistic Competition
Nelson Sá
vol. 132, 2015, p. 69-72.

Scale, Scope, and Trade Dynamics of Export Processing Plants
Ana P. Fernandes, Heiwai Tang
vol. 133, 2015, p. 68-72.

What Explains the Survival Gap of Pushed and Pulled Corporate Spin-Offs?
Vera Catarina Rocha, Anabela Carneiro, Celeste Amorim
vol. 126, 2015, p. 127-130.

Bundled Discounts: Strategic Substitutes or Complements?
Duarte Brito, Helder Vasconcelos
vol. 124, 2014, p. 278-282.

Can Markov Switching Model Generate Long Memory?
Changryong Baek, Natércia Fortuna, Vladas Pipiras
vol. 124, 2014, p. 117-121.

Does Venture Capital Really Foster Innovation?
Ana Paula Faria, Natália Barbosa
vol. 122, 2014, p. 129-131.

Endogenous Cartel Formation: Experimental Evidence
Miguel Fonseca, Hans-Theo Normann
vol. 125, 2014, p. 223-225.

Fiscal Adjustments, Labour Market Flexibility and Unemployment
Luca Agnello, Vitor Castro, Joao Tovar Jalles, Ricardo Sousa
vol. 124, 2014, p. 231-235.

Good Turnover and Bad Turnover: Barriers to Business and Productivity
Luis Cabral
vol. 125, 2014, p. 179-181.

Heterogeneous Firms and the Impact of Government Policy on Welfare and Informality
Caterina Mendicino, Mauricio Prado
vol. 124, 2014, p. 151-156.

Pervasive Inattentiveness
Fabio Verona
vol. 125, 2014, p. 287-290.

Stages of Diversification in a Neoclassical World
Cátia Batista, Jacques Potin
vol. 122, 2014, p. 276-284.

The FMLS-Based CUSUM Statistic for Testing the Null of Smooth Time-Varying Cointegration in the Presence of a Structural Break
David Neto
vol. 125, 2014, p. 208-211.

The Strength of the Waterbed Effect Depends on Tariff Type
Steffen Hoernig
vol. 125, 2014, p. 291-294.

Value and Quantity Data in Economic and Technical Efficiency Measurement
Maria Conceição Silva Portela
vol. 124, 2014, p. 108-112.

Earnings Persistence and Schooling Returns
Corrado Andini
vol. 118, 2013, p. 482-484.

Investment Decisions under Hidden Competition
Paulo Jorge Pereira, Manuel Rocha Armada
vol. 121, 2013, p. 228-231.

The Lottery Blotto Game
António Osório
vol. 120, 2013, p. 164-166.

A Cautionary Note on Tests of Overidentifying Restrictions
Paulo Parente, João Santos Silva
vol. 115, 2012, p. 314-317.

Do Bad Risks Know It? Experimental Evidence on Optimism and Adverse Selection
Marta Coelho, David de Meza
vol. 114, 2012, p. 168-171.

Financial Reforms and Income Inequality
Luca Agnello, Sushanta Mallick, Ricardo Sousa
vol. 116, 2012, p. 583-587.

Identification Issues in Some Double-Index Models for Non-negative Data
João Santos Silva, Georgios Papadopoulos
vol. 117, 2012, p. 365-367.

Investment under Uncertainty: The Nature of Demand Shocks and the Expected Profitability of Capital
Pedro Mazeda Gil
vol. 114, 2012, p. 154-156.

Is There an Energy Paradox in Fuel Economy? A Note on the Role of Consumer Heterogeneity and Sorting Bias
António Bento, Shanjun Li, Kevin Roth
vol. 115, 2012, p. 44-48.

Money and Rank in the Labor Market
Ana Rute Cardoso
vol. 115, 2012, p. 325-328.

On the Amplification Role of Collateral Constraints
Caterina Mendicino
vol. 117, 2012, p. 429-435.

On the Measurement of a Multidimensional Concept of Structural Similarity
Nuno Crespo, Nádia Simões
vol. 116, 2012, p. 115-117.

On the Use of Robust Regression in Econometrics
João Santos Silva, Markus Baldauf
vol. 114, 2012, p. 124-127.

Rational Thinking under Costly Information--Macroeconomic Implications
Orlando Gomes
vol. 115, 2012, p. 427-430.

Strategic Delegation under Price Competition and Network Effects
Steffen Hoernig
vol. 117, 2012, p. 487-489.

The Currency Union Effect on Trade Is Decreasing over Time
José de Sousa
vol. 117, 2012, p. 917-920.

The Ease of Doing Business Index as a Tool for Investment Location Decisions
Ricardo Pinheiro-Alves, João Zambujal-Oliveira
vol. 117, 2012, p. 66-70.

The Effect of Crises on Firm Exit and the Moderating Effect of Firm Size
Celeste Amorim, Vera Catarina Rocha
vol. 114, 2012, p. 94-97.

The Price of Unobservables and the Employer-Size Wage Premium
Paulo Guimarães, João Cerejeira
vol. 117, 2012, p. 878-880.

Tracking the US Business Cycle with a Singular Spectrum Analysis
António Rua, Miguel de Carvalho, Paulo C. Rodrigues
vol. 114, 2012, p. 32-35.

Further Simulation Evidence on the Performance of the Poisson Pseudo-Maximum Likelihood Estimator
João Santos Silva, Silvana Tenreyro
vol. 112, 2011, p. 220-222.

Measuring Match Quality Using Subjective Data
Priscila Ferreira, Mark Taylor
vol. 113, 2011, p. 304-306.

Purchasing Power Parity Analyzed through a Continuous-Time Version of the ESTAR Model
João Nicolau
vol. 110, 2011, p. 182-185.

The Shrinking Endogeneity of Optimum Currency Areas Criteria: Evidence from the European Monetary Union--A Beta Regression Approach
Joao Silvestre, José Passos
vol. 113, 2011, p. 65-69.

Vertical Integration and Right of First Refusal
Luis Cabral, Helder Vasconcelos
vol. 113, 2011, p. 50-53.

Which Terror at Which Cost? On the Economic Consequences of Terrorist Attacks
Fernanda Llussá, José Tavares
vol. 110, 2011, p. 52-55.

Equilibrium Price Distribution with Directed Technical Change
Pedro Mazeda Gil, Fernanda Figueiredo, Óscar Afonso
vol. 22, 2010, p. 130-133.

How Working Time Reduction Affects Jobs and Wages
Pedro Raposo, Jan van Ours
vol. 106, 2010, p. 61-63.

Identifying Vertically Differentiated Products
Paulo Bastos, Joana Silva
vol. 106, 2010, p. 32-34.

Job Matching, Technological Progress, and Worker-Provided On-the-Job Training
Mário Centeno, Marcio Correa
vol. 109, 2010, p. 190-192.

On the Existence of the Maximum Likelihood Estimates in Poisson Regression
João Santos Silva, Silvana Tenreyro
vol. 107, 2010, p. 310-312.

R&D and Economic Growth: How Strong Is the Link?
Argentino Pessoa
vol. 107, 2010, p. 152-154.

Soft Landing in a Markov-Switching Economy
Fernando Alexandre, Pedro Bação, Vasco Gabriel
vol. 107, 2010, p. 169-172.

Statistical Arbitrage with Default and Collateral
Jose Fajardo, Ana Lacerda
vol. 108, 2010, p. 81-84.

Economic Integration and the Comovement of Stock Returns
José Tavares
vol. 103, 2009, p. 65-67.

Fiscal Conservatism in a New Democracy: `Sophisticated´ versus `Naive´ Voters
Paulo Roberto Arvate, George Avelino, José Tavares
vol. 102, 2009, p. 125-127.

How Forward-Looking Is the Fed? Direct Estimates from a `Calvo-Type´ Rule
Vasco Gabriel, Paul Levine, Christopher Spencer
vol. 104, 2009, p. 92-95.

Ignorance in a Multi-agent Setting
Samuel Pereira
vol. 105, 2009, p. 264-266.

Measuring the Determinants of Business Cycle Synchronization Using a Panel Approach
Pedro André Cerqueira, Rodrigo Martins
vol. 102, 2009, p. 106-108.

Price Discrimination with Partial Information: Does It Pay Off?
Rosa Branca Esteves
vol. 105, 2009, p. 28-31.

R&D and Endogenous Asymmetries between Firms
Armando Garcia Pires
vol. 103, 2009, p. 153-156.

A Note on Expanding Networks and Monopoly Pricing
Jean Gabszewicz, Filomena Garcia
vol. 98, 2008, p. 9-15.

Dispersion in Wage Premiums and Firm Performance
Pedro Silva Martins
vol. 101, 2008, p. 63-65.

How Do Different Entitlements to Unemployment Benefits Affect the Transitions from Unemployment into Employment?
John Addison, Pedro Portugal
vol. 101, 2008, p. 206-209.

Impulse Saturation Break Tests
Carlos Santos
vol. 98, 2008, p. 136-143.

On the Full Dimensionality Assumption for the Discounted Folk Theorem
Guilherme Carmona
vol. 99, 2008, p. 357-359.

The Feldstein-Horioka Hypothesis versus the Long-Run Solvency Constraint Model: A Critical Assessment
Kevin Nell, Luís Delfim Santos
vol. 98, 2008, p. 66-70.

The Fixed Effects Negative Binomial Model Revisited
Paulo Guimarães
vol. 99, 2008, p. 63-66.

The Forward Premium Puzzle in a Model of Imperfect Information
Rui Albuquerque
vol. 99, 2008, p. 461-464.

Uncertainty and Information Accuracy in Adverse Selection
Samuel Pereira, Paulo Sousa
vol. 100, 2008, p. 321-325.

A Non-monotonic Relationship between FDI and Trade
José Pedro Pontes
vol. 95, 2007, p. 369-373.

A Note on Variable Addition Tests for Linear and Log-Linear Models
Leslie Godfrey, João Santos Silva
vol. 95, 2007, p. 422-427.

Binary Models with Misclassification in the Variable of Interest and Nonignorable Nonresponse
Esmeralda Arranhado
vol. 96, 2007, p. 70-76.

Does Opportunism Pay Off?
Linda Veiga, Francisco Veiga
vol. 96, 2007, p. 177-182.

Jobs for Young University Graduates
Ana Rute Cardoso
vol. 94, 2007, p. 271-277.

On the Equivalence of Quantitative Trade Restrictions and Tariffs
Harris Dellas, Ana Fernandes, Klaus Neusser
vol. 96, 2007, p. 331-336.

Testing for Causality in Variance under Nonstationarity in Variance
Paulo M. M. Rodrigues, Antonio Rubia
vol. 97, 2007, p. 133-137.

The Analytics of Monetary Non-neutrality in the Sidrauski Model
Ricardo Reis
vol. 94, 2007, p. 129-135.

Bootstrap Bias-Adjusted GMM Estimators
Joaquim Ramalho
vol. 92, 2006, p. 149-155.

Identification of Supply Models of Retailer and Manufacturer Oligopoly Pricing
Sofia Villas-Boas, Rebecca Hellerstein
vol. 90, 2006, p. 132-140.

Political Business Cycles in Local Employment: Evidence from Portugal
César Coelho, Francisco Veiga, Linda Veiga
vol. 93, 2006, p. 82-87.

Properties of Recursive Trend-Adjusted Unit Root Tests
Paulo M. M. Rodrigues
vol. 91, 2006, p. 413-419.

Regulation and Growth
Simeon Djankov, Caralee McLiesh, Rita Maria Ramalho
vol. 92, 2006, p. 395-401.

The Impact of Unemployment Insurance Generosity on Match Quality Distribution
Mário Centeno, Alvaro Novo
vol. 93, 2006, p. 235-241.

Biased Managers, Organizational Design, and Incentive Provision
Cristiano Costa, Daniel Ferreira, Humberto Moreira
vol. 86, 2005, p. 379-385.

Monetary Policy, Asset Prices, and Uncertainty
Fernando Alexandre, Pedro Bação
vol. 86, 2005, p. 37-42.

On the Fisher-Konieczny Index of Price Changes Synchronization
Daniel Dias, Carlos Robalo Marques, Pedro Neves, João Santos Silva
vol. 87, 2005, p. 279-283.

Skill Mismatches and Job Satisfaction
José Cabral Vieira
vol. 89, 2005, p. 39-47.

The Performance of Unit Root Tests under Level-Dependent Heteroskedasticity
Paulo M. M. Rodrigues, Antonio Rubia
vol. 89, 2005, p. 262-268.

How Does the Unemployment Insurance System Shape the Time Profile of Jobless Duration?
John Addison, Pedro Portugal
vol. 85, 2004, p. 229-234.

Industry Wage Premia: Evidence from the Wage Distribution
Pedro Silva Martins
vol. 83, 2004, p. 157-163.

Layoff Costs, Tenure, and the Labor Market
Tiago Cavalcanti
vol. 84, 2004, p. 383-390.

On the Purification of Nash Equilibria of Large Games
Guilherme Carmona
vol. 85, 2004, p. 215-219.

Political Business Cycles and Inflation Stabilization
Vitor Castro, Francisco Veiga
vol. 83, 2004, p. 1-6.

Cointegration and the Joint Confirmation Hypothesis
Vasco Gabriel
vol. 78, 2003, p. 17-25.

Consistency of the Stationary Bootstrap under Weak Moment Conditions
Silvia Goncalves, Robert de Jong
vol. 81, 2003, p. 273-278.

Does Foreign Aid Corrupt?
José Tavares
vol. 79, 2003, p. 99-106.

A Simple Method of Testing for Cointegration Subject to Multiple Regime Changes
Vasco Gabriel, Zacharias Psaradakis, Martin Sola
vol. 76, 2002, p. 213-221.

Is There a Return-Risk Link in Education?
Pedro Telhado Pereira, Pedro Silva Martins
vol. 75, 2002, p. 31-37.

Mixed Bertrand Equilibria under Decreasing Returns to Scale: An Embarrassment of Riches
Steffen Hoernig
vol. 74, 2002, p. 359-362.

Why Should Central Banks Avoid the Use of the Underlying Inflation Indicator?
Carlos Robalo Marques, Pedro Neves, Afonso Gonçalves da Silva
vol. 75, 2002, p. 17-23.

Identifying Non-consistent Choice Behavior in Recreation Demand Models
Luis Catela Nunes, Maria Cunha e Sa, Maria Ducla Soares, Márcia Rosado, Brett Day
vol. 72, 2001, p. 403-410.

Measuring Skill: A Multi-dimensional Index
Miguel Portela
vol. 72, 2001, p. 27-32.

On the Superiority of the Multiple Round Ascending Bid Auction
Fernando Branco
vol. 70, 2001, p. 187-194.

The Robustness of Tests for Seasonal Differencing to Structural Breaks
Artur Silva Lopes
vol. 71, 2001, p. 173-179.

Does a Firm Apply a Consistent Pay Standard to All of Its Workforce?
Ana Rute Cardoso
vol. 67, 2000, p. 217-222.

Existence of a Markov Perfect Equilibrium in a Third Market Model
Sofia Castro, António Brandão
vol. 66, 2000, p. 297-301.

Short- and Long-Term Unemployment
Pedro Portugal, John Addison,
vol. 66, 2000, p. 107-112.

Budget Effects of Health Care "vouchers"
Pedro Pita Barros
vol. 62, 1999, p. 229-235.

Variable Capital Utilization and Investment Shocks
João Ejarque
vol. 65, 1999, p. 199-203.

Endogenous Mergers and Size Asymmetry of Merger Participants
Pedro Pita Barros
vol. 60, 1998, p. 113-119.

Testing for Rationality: The Case of Discrete Choice Data
Luis Catela Nunes, Maria Cunha e Sa, Maria Ducla Soares
vol. 60, 1998, p. 255-261.

The Falstaff estimator
Roger Koenker, José Machado
vol. 61, 1998, p. 23-28.

Electoral Defeats and Local Political Expenditure Cycles
Rui Baleiras
vol. 56, 1997, p. 201-207.

Exchange Rate Expectations and Market Shares
Luis Cabral, António Mello
vol. 55, 1997, p. 61-67.

Sequential Auctions with Synergies: An Example
Fernando Branco
vol. 54, 1997, p. 159-163.

Unobservables in Count Data Models for on-site Samples
João Santos Silva
vol. 54, 1997, p. 217-220.

Markets, Entrepreneurs and the Size of New Firms
José Mata
vol. 52, 1996, p. 89-94.

Spurious Number of Breaks
Luis Catela Nunes, Paul Newbold, Chung-Ming Kuan
vol. 50, 1996, p. 175-178.

Voting over Flat Taxes in an Endowment Economy
Miguel Gouveia, David Oliver
vol. 50, 1996, p. 251-258.

Conjectural Variations as a Reduced Form
Luis Cabral
vol. 49, 1995, p. 397-402.

Secondary Markets in Auctions with Endogenous Valuations
Luis Campos e Cunha, Vasco Santos
vol. 48, 1995, p. 307-311.

A Class of Differential Demand Systems
Pedro Neves
vol. 44, 1994, p. 83-86.

Fractional Integration Analysis of Long-Run Behavior for US Macroeconomic Time Series
Nuno Crato, Philip Rothman
vol. 45, 1994, p. 287-291.

Is the UK Treasury Bill Rate a Good Proxy for expected inflation in the United Kingdom?
Isabel Andrade, Andrew Clare
vol. 45, 1994, p. 335-341.

Long Range Dependence in the Conditional Variance of Stock Returns
Nuno Crato, Pedro Lima
vol. 45, 1994, p. 281-285.

Market Equilibrium Effects of Incentives to Foreign Direct Investment
Pedro Pita Barros
vol. 44, 1994, p. 153-157.

A Note on the Score Test for Neglected Heterogeneity in the Truncated Normal Regression Model
João Santos Silva
vol. 43, 1993, p. 11-14.

Barten Group Equivalence Scales and Barten Group Indexes
Maria Luisa Ferreira, Federico Perali
vol. 40, 1992, p. 13-18.

Dynamic Duopolies with Non-Convex Adjustment Costs
Miguel Villas-Boas
vol. 39, 1992, p. 391-394.

Towards a More General Version of the Almost Ideal Demand System
Pedro Neves
vol. 38, 1992, p. 305-308.

Boom and Bust Hypothesis in the Colonial Chesapeake Economy: Empirical Evidence for the Period 1676-1713
Alfredo Marvão Pereira
vol. 37, 1991, p. 235-242.

Does Advance Notice Facilitate Better Job Matches?
John Addison, Pedro Portugal
vol. 36, 1991, p. 209-212.

Optimal Matching Auctions
Luis Cabral
vol. 37, 1991, p. 7-9.

Asymmetric Equilibria in Symmetric Games with Many Players
Luis Cabral
vol. 27, 1988, p. 205-208.

Further Evidence on the Screening Hypothesis
Bill Kiker, Elchanan Cohn, Manuel Mendes de Oliveira
vol. 25, 1987, p. 289-294.