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A fedezetlen bankközi forintpiac hálózati dinamikájának vizsgálata a likviditási válság előtt és után
[Examination of the network dynamics of the uncovered interbank forint market before the liquidity crisis and after]

Author

Listed:
  • Berlinger, Edina
  • Szenes, Márk
  • Michaletzky, Márton

Abstract

A cikkben a magyar fedezetlen bankközi forintpiac hálózatának időbeli alakulását vizsgáljuk 2002 decemberétől 2009 márciusáig. Bemutatjuk a piac általános jellemzőit (forgalom, kamatláb, koncentráció stb.) és az alapvető hálózati mutatókat. Azt tapasztaljuk, hogy az időszak első felében ezek a jellemzők lényegében stabilak voltak. 2006-2007-től kezdve azonban a mutatók egy része kezdett jelentősen megváltozni: a hitelfelvevők koncentrációja nőtt, az átlagos közelség és az átlagos fokszám csökkent, továbbá a hálózat magjának mérete is csökkent. Ezek a jelek arra utalhatnak, hogy a bankok már a válság kitörése előtt érzékelték a növekvő hitelkockázatot, és egyre inkább megválogatták, hogy kinek adnak hitelt. Figyelemre méltó, hogy mindeközben az általános piaci mutatók (forgalom, kamatláb, illetve ezek volatilitása) semmiféle változásra utaló jelet nem tükröztek egészen 2008 októberéig, de ekkor hirtelen minden mutatóban egyértelművé vált a rezsimváltás. Végül részletesen elemezzük az egyes szereplők viselkedését, és megmutatjuk, hogy válságban az egyes szerepek drasztikusan megváltoztak (például forrásokból nyelők lettek, és fordítva). Journal of Economic Literature (JEL) kód: G01, G15, G21, E44, D85.

Suggested Citation

  • Berlinger, Edina & Szenes, Márk & Michaletzky, Márton, 2011. "A fedezetlen bankközi forintpiac hálózati dinamikájának vizsgálata a likviditási válság előtt és után [Examination of the network dynamics of the uncovered interbank forint market before the liquid," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(3), pages 229-252.
    • Handle: RePEc:ksa:szemle:1227
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    References listed on IDEAS

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    1. Soramäki, Kimmo & Bech, Morten L. & Arnold, Jeffrey & Glass, Robert J. & Beyeler, Walter E., 2007. "The topology of interbank payment flows," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 379(1), pages 317-333.
    2. de Masi, G. & Iori, G. & Caldarelli, G., 2006. "A fitness model for the Italian interbank money market," Working Papers 06/08, Department of Economics, City University London.
    3. Bech, Morten L. & Atalay, Enghin, 2010. "The topology of the federal funds market," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 389(22), pages 5223-5246.
    4. Réka Albert & Hawoong Jeong & Albert-László Barabási, 2000. "Error and attack tolerance of complex networks," Nature, Nature, vol. 406(6794), pages 378-382, July.
    5. Ágnes Lublóy, 2006. "Topology of the Hungarian large-value transfer system," MNB Occasional Papers 2006/57, Magyar Nemzeti Bank (Central Bank of Hungary).
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    Citations

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    Cited by:

    1. Havran, Dániel & Erb, Tamás, 2015. "Mit veszítünk a piaci súrlódásokkal?. A pénzügyi piacok mikrostruktúrája [Trading mechanisms and market frictions. Microstructure of the financial markets]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(3), pages 229-262.
    2. Ãdám Banai & András Kollarik & András Szabó-Solticzky, 2014. "Identification of Systemically Important Banks Using Network Theory," Research in Economics and Business: Central and Eastern Europe, Tallinn School of Economics and Business Administration, Tallinn University of Technology, vol. 6(2).
    3. Csóka, Péter, 2017. "Az arányos csődszabály karakterizációja körbetartozások esetén [The characterization of the proportional rule in the case of circular liabilities]," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(9), pages 930-942.
    4. Ãdám Banai & András Kollarik & András Szabó-Solticzky, 2014. "The Network Topology of the Hungarian Short-Term Foreign Exchange Swap Market," Research in Economics and Business: Central and Eastern Europe, Tallinn School of Economics and Business Administration, Tallinn University of Technology, vol. 6(2).
    5. Dániel Homolya & Melinda Lakatos & Róbert Mátrai & Judit Páles & György Pulai, 2013. "Limit setting practices of banks in Hungary: Focus on counterparty limits," MNB Bulletin (discontinued), Magyar Nemzeti Bank (Central Bank of Hungary), vol. 8(3), pages 49-60, October.
    6. László Bodnár, 2017. "Network properties and evolutionof the Hungarian RTGSover the past decade," MNB Occasional Papers 2017/132, Magyar Nemzeti Bank (Central Bank of Hungary).

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    More about this item

    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation

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