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  1. Economics
    an emerging small world?
    Autor*in: Goyal, Sanjeev; Leij, Marco van der; Moraga-González, José Luis
    Erschienen: 2004

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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
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    W 899 (2004.001)
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    Schriftenreihe: Array ; 2004-001
    Schlagworte: Wirtschaftswissenschaft; Bibliometrie; Netzwerk; Welt
    Umfang: 47, [11] S, graph. Darst
    Bemerkung(en):
  2. Strategic wage setting and coordination frictions with multiple applications
    Autor*in: Gautier, Pieter; Moraga-González, José Luis
    Erschienen: 2004

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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
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    W 899 (2004.063)
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    Schriftenreihe: Array ; 2004-063
    Schlagworte: Lohnbildung; Tarifverhandlungen; Nash-Gleichgewicht; Verhandlungstheorie des Lohnes; Arbeitsuche; Theorie
    Umfang: 49 S, graph. Darst
    Bemerkung(en):
  3. A note on costly sequential search and oligopoly pricing
    Autor*in: Janssen, Maarten C. W.; Moraga-González, José Luis; Wildenbeest, Matthijs R.
    Erschienen: 2004

    Standort:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    W 899 (2004.068)
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    Schriftenreihe: Array ; 2004-068
    Schlagworte: Informationskosten; Oligopol; Suchtheorie
    Umfang: 15 S, graph. Darst
    Bemerkung(en):
  4. Consumer search and oligopolistic pricing
    an empirical investigation
    Autor*in: Janssen, Maarten C. W.; Moraga-González, José Luis; Wildenbeest, Matthijs R.
    Erschienen: 2004

    Standort:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    W 899 (2004.071)
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    Schriftenreihe: Array ; 2004-071
    Schlagworte: Konsumentenverhalten; Informationskosten; Suchtheorie; Oligopol; Theorie
    Umfang: 28 S, graph. Darst
    Bemerkung(en):
  5. Anti-dumping, intra-industry trade and quality reversals
    Autor*in: Moraga-González, José Luis; Viaene, Jean-Marie
    Erschienen: 2004

    Standort:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    W 899 (2004.124)
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    Schriftenreihe: Array ; 2004-124
    Schlagworte: Antidumping; Intraindustrieller Handel; Spieltheorie; Produktqualität; Theorie
    Umfang: 29 S, graph. Darst
    Bemerkung(en):
  6. Dumping in developing and transition economies
    Autor*in: Moraga-González, José Luis; Viaene, Jean-Marie
    Erschienen: 2004

    Standort:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    W 899 (2004.125)
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    Schriftenreihe: Array ; 2004-125
    Schlagworte: Dumping; Antidumping; Systemtransformation; Transformationsstaaten; Entwicklungsländer
    Umfang: 18 S
    Bemerkung(en):
  7. Consumer search and oligopolistic pricing
    an empirical investigation
    Autor*in: Janssen, Maarten C. W.; Moraga-González, José Luis; Wildenbeest, Matthijs R.
    Erschienen: 2004
    Verlag:  Univ., Center for Economic Studies [u.a.], Munich

    This paper presents an empirical examination of oligopoly pricing and consumer search. The theoretical model allows for sequential and non-sequential search and, using the theoretical restrictions firm and consumer behavior impose on the data, we... mehr

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    ifo Institut für Wirtschaftsforschung an der Universität München, Bibliothek
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    This paper presents an empirical examination of oligopoly pricing and consumer search. The theoretical model allows for sequential and non-sequential search and, using the theoretical restrictions firm and consumer behavior impose on the data, we study the empirical validity of the models. Two equilibria arise: one with costless search and the other with costly search. We find that the costless search equilibrium works well for products with a relatively low value, and, by implication, a small number of sellers. By contrast, the costly search equilibrium explains the observed data in a manner that is consistent with the underlying theoretical model for almost all products (for 86 out of 87!).

     
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    RVK Klassifikation: QB 910
    DDC Klassifikation: Wirtschaft (330)
    Schriftenreihe: Array ; 1292
    Schlagworte: Konsumentenverhalten; Informationskosten; Suchtheorie; Oligopol; Theorie
    Umfang: 28 S, graph. Darst
    Bemerkung(en):

    Literaturverz. S. 22 - 24
  8. Economics
    an emerging small world?
    Autor*in: Goyal, Sanjeev; Leij, Marco van der; Moraga-González, José Luis
    Erschienen: 2004
    Verlag:  Univ., Center for Economic Studies [u.a.], Munich

    This paper examines the small world hypothesis. The first part of the paper presents empirical evidence on the evolution of a particular world: the world of journal publishing economists during the period 1970-2000. We find that in the 1970's the... mehr

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    Signatur:
    W 624 (1287)
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    This paper examines the small world hypothesis. The first part of the paper presents empirical evidence on the evolution of a particular world: the world of journal publishing economists during the period 1970-2000. We find that in the 1970's the world of economics was a collection of islands, with the largest island having about 15% of the population. Two decades later, in the 1990's, the world of economics was much more integrated, with the largest island covering close to half the population. At the same time, the distance between individuals on the largest island had fallen significantly. Thus we believe that economics is an emerging small world. What is it about the network structure that makes the world small? An exploration of the micro aspects of the network yields three findings: one, the average number of co-authors is very small but increasing; two, the distribution of co-authors is very unequal; and three, there exist a number of 'stars', individuals who have a large number of co-authors (25 times the average number) most of whom do not write with each other. Thus the economics world is a set of inter-connected stars. We take the view that individuals decide on whether to work alone or with others; this means that individual incentives should help us understand why the economics world has the structure it does. The second part of the paper develops a simple theoretical model of co-authorship. The main finding of the model is that in the presence of productivity differentials and a shortage of high-productivity individuals, inter-connected stars will arise naturally in equilibrium. Falling costs of communication and increasing credit for joint research leads to greater co-authorship and this is consistent with the growth in the size of the giant component.

     
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    Schriftenreihe: Array ; 1287
    Schlagworte: Wirtschaftswissenschaft; Bibliometrie; Netzwerk; Welt
    Umfang: 47, [11] S, graph. Darst
    Bemerkung(en):

    Literaturverz. S. 44 - 46
  9. Dumping in a global world
    why product quality matters
    Autor*in: Moraga-González, José Luis; Viaene, Jean-Marie
    Erschienen: 2004

    Standort:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    W 899 (2004.128)
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    Schriftenreihe: Array ; 2004-128
    Schlagworte: Antidumping; Produktqualität; Zoll
    Umfang: 16 S, graph. Darst
    Bemerkung(en):
  10. A model of strategic targeted advertising
    Autor*in: Galeotti, Andrea; Moraga-González, José Luis
    Erschienen: 2004
    Verlag:  Univ., Center for Economic Studies [u.a.], Munich

    We study a simultaneous move game of targeted advertising and pricing in a market with various consumer segments. In this setting we explore the implications of market segmentation on firm competitiveness. If firms are unable to target their ads on... mehr

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    We study a simultaneous move game of targeted advertising and pricing in a market with various consumer segments. In this setting we explore the implications of market segmentation on firm competitiveness. If firms are unable to target their ads on different consumer segments, a unique zero-profit equilibrium exists. By contrast, if firms employ targeted advertising, they can obtain positive profits. In equilibrium firms price very aggressively when they address the most profitable segment, quite gently when they target their ads on the least profitable segment and moderately aggressive when they advertise in the entire market.

     
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    DDC Klassifikation: Wirtschaft (330)
    Schriftenreihe: Array ; 1196
    Schlagworte: Werbung; Preiswettbewerb; Zielgruppe; Oligopol; Theorie; Nichtkooperatives Spiel
    Umfang: 44 S
    Bemerkung(en):

    Literaturverz. S. 43 - 44
  11. Economics
    an emerging small world?
    Autor*in: Goyal, Sanjeev; Leij, Marco van der; Moraga-González, José Luis
    Erschienen: 2004

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    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    W 723 (2004.84)
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    Schriftenreihe: Array ; 2004,84
    Schlagworte: Wirtschaftswissenschaft; Bibliometrie; Netzwerk; Welt
    Umfang: 37, [6] S, graph. Darst
    Bemerkung(en):
  12. Economics
    an emerging small world?
    Autor*in: Goyal, Sanjeev; Leij, Marco van der; Moraga-González, José Luis
    Erschienen: September 2004
    Verlag:  CESifo, Center for Economic Studies & Ifo Institute, München

    This paper examines the small world hypothesis. The first part of the paper presents empirical evidence on the evolution of a particular world: the world of journal publishing economists during the period 1970-2000. We find that in the 1970's the... mehr

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    Staats- und Universitätsbibliothek Bremen
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    keine Fernleihe

    Standort:
    Niedersächsische Staats- und Universitätsbibliothek Göttingen
    Fernleihe:
    keine Fernleihe

    Standort:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    DS 63 (1287)
    Fernleihe:
    keine Fernleihe

     

    This paper examines the small world hypothesis. The first part of the paper presents empirical evidence on the evolution of a particular world: the world of journal publishing economists during the period 1970-2000. We find that in the 1970's the world of economics was a collection of islands, with the largest island having about 15% of the population. Two decades later, in the 1990's, the world of economics was much more integrated, with the largest island covering close to half the population. At the same time, the distance between individuals on the largest island had fallen significantly. Thus we believe that economics is an emerging small world. What is it about the network structure that makes the world small? An exploration of the micro aspects of the network yields three findings: one, the average number of co-authors is very small but increasing; two, the distribution of co-authors is very unequal; and three, there exist a number of "stars", individuals who have a large number of co-authors (25 times the average number) most of whom do not write with each other. Thus the economics world is a set of inter-connected stars. We take the view that individuals decide on whether to work alone or with others; this means that individual incentives should help us understand why the economics world has the structure it does. The second part of the paper develops a simple theoretical model of co-authorship. The main finding of the model is that in the presence of productivity differentials and a shortage of high-productivity individuals, inter-connected stars will arise naturally in equilibrium. Falling costs of communication and increasing credit for joint research leads to greater co-authorship and this is consistent with the growth in the size of the giant component.

     
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    hdl: 10419/18925
    RVK Klassifikation: QB 910
    Schriftenreihe: Array ; no. 1287
    Schlagworte: Wirtschaftswissenschaft; Bibliometrie; Netzwerk; Welt
    Umfang: 1 Online-Ressource (circa 64 Seiten), Illustrationen
  13. Consumer search and oligopolistic pricing
    an empirical investigation
    Autor*in: Janssen, Maarten C. W.; Moraga-González, José Luis; Wildenbeest, Matthijs R.
    Erschienen: October 2004
    Verlag:  CESifo, Center for Economic Studies & Ifo Institute, München

    This paper presents an empirical examination of oligopoly pricing and consumer search. The theoretical model allows for sequential and non-sequential search and, using the theoretical restrictions firm and consumer behavior impose on the data, we... mehr

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    Staats- und Universitätsbibliothek Bremen
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    Standort:
    Niedersächsische Staats- und Universitätsbibliothek Göttingen
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    Standort:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    DS 63 (1292)
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    This paper presents an empirical examination of oligopoly pricing and consumer search. The theoretical model allows for sequential and non-sequential search and, using the theoretical restrictions firm and consumer behavior impose on the data, we study the empirical validity of the models. Two equilibria arise: one with costless search and the other with costly search. We find that the costless search equilibrium works well for products with a relatively low value, and, by implication, a small number of sellers. By contrast, the costly search equilibrium explains the observed data in a manner that is consistent with the underlying theoretical model for almost all products (for 86 out of 87!).

     
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    hdl: 10419/18930
    RVK Klassifikation: QB 910
    Schriftenreihe: Array ; no. 1292
    Schlagworte: Konsumentenverhalten; Informationskosten; Suchtheorie; Oligopol; Theorie
    Umfang: 1 Online-Ressource (circa 35 Seiten), Illustrationen
  14. A model of strategic targeted advertising
    Autor*in: Galeotti, Andrea; Moraga-González, José Luis
    Erschienen: 2004
    Verlag:  Center for Economic Studies and Ifo Institute (CESifo), Munich

    We study a simultaneous move game of targeted advertising and pricing in a market with various consumer segments. In this setting we explore the implications of market segmentation on firm competitiveness. If firms are unable to target their ads on... mehr

    Standort:
    Staats- und Universitätsbibliothek Bremen
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    keine Fernleihe

    Standort:
    Niedersächsische Staats- und Universitätsbibliothek Göttingen
    Fernleihe:
    keine Fernleihe

    Standort:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signatur:
    DS 63 (1196)
    Fernleihe:
    keine Fernleihe

     

    We study a simultaneous move game of targeted advertising and pricing in a market with various consumer segments. In this setting we explore the implications of market segmentation on firm competitiveness. If firms are unable to target their ads on different consumer segments, a unique zero-profit equilibrium exists. By contrast, if firms employ targeted advertising, they can obtain positive profits. In equilibrium firms price very aggressively when they address the most profitable segment, quite gently when they target their ads on the least profitable segment and moderately aggressive when they advertise in the entire market.

     
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    Weitere Identifier:
    hdl: 10419/76509
    RVK Klassifikation: QB 910
    Schriftenreihe: CESifo Working Paper ; 1196
    Schlagworte: Werbung; Preiswettbewerb; Zielgruppe; Oligopol; Theorie; Nichtkooperatives Spiel
    Umfang: Online-Ressource (41 S.), graph. Darst.
  15. Economics
    an emerging small world?
    Autor*in: Goyal, Sanjeev; Leij, Marco van der; Moraga-González, José Luis
    Erschienen: May 2004
    Verlag:  Fondazione Eni Enrico Mattei, [Milano]

    The structures of social interaction affect individual behavior and economic performance in important ways. This leads us to ask: does the architecture of social interaction exhibit particular patterns and are these patterns stable over time? We... mehr

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    The structures of social interaction affect individual behavior and economic performance in important ways. This leads us to ask: does the architecture of social interaction exhibit particular patterns and are these patterns stable over time? We examine interaction among economists by looking at the evolution of co-authorship relations over a thirty year period. We find that in the 1970's this world was quite fragmented with the largest interconnected group - the giant component - covering only 15% of the population. However, by the 1990's economics was much more integrated, with the giant component covering over 40% of the population. The average distance between individuals was small and declined over the period, leading us to conclude that economics is an emerging small world. A crucial stable feature of the network over this period is the existence of several stars (economists with many co-authors each of whom have few collaborators and rarely work among themselves). The world of economics is thus a collection of inter-linked stars. We also find that a growth in the average number of co-authors is the main reason behind the growth in the giant component and the fall in average distances within it. The second part of the paper develops a simple theoretical model of collaboration in economics. We find that an unequal distribution of collaborations and inter- linked stars arise naturally in this environment. Falling costs of communication and increasing credit for joint research lead to greater co-authorship and this supports a larger giant component.

     
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    hdl: 10419/117962
    Schriftenreihe: Array ; 2004, 84
    Schlagworte: Wirtschaftswissenschaft; Bibliometrie; Netzwerk; Welt
    Umfang: 1 Online-Ressource (circa 53 Seiten), Illustrationen
  16. Anti-dumping, intra-industry trade and quality reversals
    Autor*in: Moraga-González, José Luis; Viaene, Jean-Marie
    Erschienen: 2004
    Verlag:  Tinbergen Inst., Rotterdam [u.a.]

    We examine an export game where two firms (home and foreign), located in two differentcountries, produce vertically differentiated products. The foreign firm is the most efficientin terms of R&D costs of quality development and the foreign country is... mehr

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    We examine an export game where two firms (home and foreign), located in two differentcountries, produce vertically differentiated products. The foreign firm is the most efficientin terms of R&D costs of quality development and the foreign country is relatively larger andendowed with a relatively higher income. The unique (risk-dominant) Nash equilibrium involvesintra-industry trade where the foreign producer manufactures a good of higher quality thanthe domestic firm. This equilibrium is characterized by unilateral dumping by the foreignfirm into the domestic economy. Two instruments of anti-dumping (AD) policy are examined,namely, a price undertaking (PU) and an anti-dumping duty. We show that, when firms' costasymmetries are low and countries differ substantially in size, a PU leads to a quality reversalin the international market, which gives a rationale for the domestic government to enact ADlaw. We also establish an equivalence result between the effects of an AD duty and a PU.

     
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    hdl: 10419/86398
    Schriftenreihe: Array ; 2004,124
    Umfang: Online-Ressource (29 S.), graph. Darst.
  17. Dumping in developing and transition economies
    Autor*in: Moraga-González, José Luis; Viaene, Jean-Marie
    Erschienen: 2004
    Verlag:  Tinbergen Inst., Rotterdam [u.a.]

    We build a simple theoretical model to understand why developing and transition economieshave increasingly applied anti-dumping laws. To that end, we investigate the strategic incentivesof oligopolistic exporting firms to undertake dumping in these... mehr

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    We build a simple theoretical model to understand why developing and transition economieshave increasingly applied anti-dumping laws. To that end, we investigate the strategic incentivesof oligopolistic exporting firms to undertake dumping in these economies. We show that dumpingmay be due to cross-country differences in income, to the extent of tariff protection and to theexchange rate depreciations observed recently. Dumping may arise even if consumers exhaustall arbitrage possibilities.

     
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    hdl: 10419/86449
    Schriftenreihe: Array ; 2004,125
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  18. Dumping in a global world
    Autor*in: Moraga-González, José Luis; Viaene, Jean-Marie
    Erschienen: 2004
    Verlag:  Tinbergen Inst., Rotterdam [u.a.]

    Anti-dumping actions are now the trade policy of choice of developing and transition economies. To understand why these economies have increasingly applied anti-dumping laws, we build a simple theoretical model of vertical intra-industry trade and... mehr

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    DS 432 (2004,128)
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    Anti-dumping actions are now the trade policy of choice of developing and transition economies. To understand why these economies have increasingly applied anti-dumping laws, we build a simple theoretical model of vertical intra-industry trade and investigate the strategic incentives of exporting firms to undertake dumping. We show that the definition of dumping matters. Based on a comparison of low-quality and high-quality prices, only unilateral dumping by the low-quality firm obtains. By contrast, the standard WTO definition leads to either reciprocal or unilateral dumping by the high-quality firm, depending on cross-country differences in incomes, the height of tariff protection and on exchange rate changes.

     
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    hdl: 10419/86308
    Schriftenreihe: Array ; 2004,128
    Umfang: Online-Ressource (16 S.), graph. Darst.
  19. Strategic wage setting and coordination frictions with multiple applications
    Autor*in: Gautier, Pieter; Moraga-González, José Luis
    Erschienen: 2004
    Verlag:  Tinbergen Inst., Rotterdam [u.a.]

    We examine wage competition in a model where identical workers choose the number of jobs to apply for and identical firms simultaneously post a wage. The Nash equilibrium of this game exhibits the following properties: (i) an equilibrium where... mehr

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    We examine wage competition in a model where identical workers choose the number of jobs to apply for and identical firms simultaneously post a wage. The Nash equilibrium of this game exhibits the following properties: (i) an equilibrium where workers apply for just one job exhibits unemployment and absence of wage dispersion; (ii) an equilibrium where workers apply for two or for more (but not for all) jobs always exhibits wage dispersion and, typically, unemployment; (iii) the equilibrium wage distribution with a higher vacancy-to-unemployment ratio first-order stochastically dominates the wage distribution with a lower level of labor market tightness; (iv) the average wage is non-monotonic in the number of applications; (v) the equilibrium number of applications is non-monotonic in the vacancy-to-unemployment ratio; (vi) a minimum wage increase can be welfare improving because it compresses the wage distribution and reduces the congestion effects cause! d by the socially excessive number of applications; and (vii) the only way to obtain efficiency is to impose a mandatory wage that eliminates wage dispersion altogether.

     
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    hdl: 10419/86509
    Schriftenreihe: Array ; 2004,063
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  20. A note on costly sequential search and oligopoly pricing
    Autor*in: Janssen, Maarten C. W.; Moraga-González, José Luis; Wildenbeest, Matthijs R.
    Erschienen: 2004
    Verlag:  Tinbergen Inst., Rotterdam [u.a.]

    We modify the paper of Stahl (1989) [Stahl, D.O., 1989. Oligopolistic pricing with sequential consumer search. American Economic Review 79, 700–12] by relaxing the assumption that consumers obtain the first price quotation for free. When all price... mehr

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    We modify the paper of Stahl (1989) [Stahl, D.O., 1989. Oligopolistic pricing with sequential consumer search. American Economic Review 79, 700–12] by relaxing the assumption that consumers obtain the first price quotation for free. When all price quotations are costly to obtain, the unique symmetric equilibrium need not involve full consumer participation. The region of parameters for which non-shoppers do not fully participate in the market becomes larger as the number of shoppers decreases and/or the number of firms increases. The comparative statics properties of this new type of equilibrium are interesting. In particular, expected price increases as search cost decreases and is constant in the number of shoppers and in the number of firms. Welfare falls as firms enter the market. We show that monopoly pricing never obtains with truly costly search.

     
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    Weitere Identifier:
    hdl: 10419/86439
    Schriftenreihe: Array ; 2004,068
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  21. Consumer search and oligopolistic pricing
    an empirical investigation
    Autor*in: Janssen, Maarten C. W.; Moraga-González, José Luis; Wildenbeest, Matthijs R.
    Erschienen: 2004
    Verlag:  Tinbergen Inst., Rotterdam [u.a.]

    This paper presents an empirical examination of oligopoly pricingand consumer search. The theoretical model allows for sequential andnon-sequential search and using the theoretical restrictions firm andconsumer behavior impose on the data we study... mehr

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    This paper presents an empirical examination of oligopoly pricingand consumer search. The theoretical model allows for sequential andnon-sequential search and using the theoretical restrictions firm andconsumer behavior impose on the data we study the empirical validity of themodels. Two equilibria arise: one with costless search and the other withcostly search. We find that the costless search equilibrium works well forproducts with a relatively low value, and, by implication, a small number ofsellers. By contrast, the costly search equilibrium explains the observeddata in a manner that is consistent with the underlying theoretical modelfor almost all products (for 86 out of 87!).

     
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    hdl: 10419/86499
    Schriftenreihe: Array ; 2004,071
    Umfang: Online-Ressource (28 S.), graph. Darst.