{"id":74,"date":"2018-10-05T11:31:17","date_gmt":"2018-10-05T11:31:17","guid":{"rendered":"http:\/\/qsms.mokk.bme.hu\/?page_id=74"},"modified":"2023-03-22T12:30:50","modified_gmt":"2023-03-22T12:30:50","slug":"koczy","status":"publish","type":"page","link":"https:\/\/qsms.bme.hu\/index.php\/koczy\/","title":{"rendered":"L\u00e1szl\u00f3 \u00c1. K\u00f3czy"},"content":{"rendered":"<p><a href=\"#contact\">Contact<\/a>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0<a href=\"#resint\">Interests<\/a>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<a href=\"#selpub\">Publications<\/a>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0<a href=\"#wip\">Work in progress<\/a>\u00a0 \u00a0 \u00a0\u00a0<a href=\"#phd\">Ph.D. students<\/a>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <a href=\"#respro\">Projects for students<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-961 alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2020\/09\/koczy.jpg\" alt=\"\" width=\"240\" height=\"300\" \/>L\u00e1szl\u00f3 \u00c1. K\u00f3czy is a professor at the Finance Dept and the director of QSMS. He graduated from the University of Cambridge reading Mathematics and from KU Leuven in Economics, where he also completed his PhD under the supervision of Luc Lauwers. He has spent some time at Maastricht and \u00d3buda Universities before joining BME. He is also affiliated with the Centre for Economic and Regional Studies. He has published 50 papers in the fields of cooperative game theory, voting, economic theory and scientometrics. He published his book on Partition function form games in 2018 by Springer. He is currently working on the theory and applications of cooperative games, power indices, the apportionment problem and some experimental papers. &gt;&gt;&gt;<a href=\"https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/Koczy_CV.pdf\" target=\"_blank\" rel=\"attachment noopener wp-att-140 noreferrer\">download_CV<\/a><\/p>\n<p><a href=\"https:\/\/vm.mtmt.hu\/search\/slist.php?lang=1&amp;top10=0&amp;AuthorID=10001392\" rel=\"attachment wp-att-150\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-150 alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/mtmt1-300x300.png\" alt=\"\" width=\"25\" height=\"25\" srcset=\"https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/mtmt1-300x300.png 300w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/mtmt1-150x150.png 150w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/mtmt1.png 351w\" sizes=\"auto, (max-width: 25px) 85vw, 25px\" \/><\/a><a href=\"https:\/\/mta.academia.edu\/koczy\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/aedu.png\" alt=\"Academia.edu logo\" width=\"25\" height=\"25\" \/><\/a><a href=\"http:\/\/koczy.blog.hu\" rel=\"attachment wp-att-145\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-145 alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/bloghu-300x300.png\" alt=\"\" width=\"25\" height=\"25\" srcset=\"https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/bloghu-300x300.png 300w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/bloghu-150x150.png 150w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/bloghu-768x768.png 768w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/bloghu-1024x1024.png 1024w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/bloghu.png 1200w\" sizes=\"auto, (max-width: 25px) 85vw, 25px\" \/><\/a><a href=\"https:\/\/www.facebook.com\/koczy.blog.hu\/\" rel=\"attachment wp-att-146\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-146 alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/facebook-300x300.png\" alt=\"\" width=\"25\" height=\"25\" srcset=\"https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/facebook-300x300.png 300w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/facebook-150x150.png 150w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/facebook-768x768.png 768w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/facebook.png 1000w\" sizes=\"auto, (max-width: 25px) 85vw, 25px\" \/><\/a><a href=\"https:\/\/scholar.google.com\/citations?user=yCfGXeoAAAAJ\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-147 alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/google.png\" alt=\"\" width=\"25\" height=\"25\" \/><\/a><\/p>\n<p><a href=\"https:\/\/www.linkedin.com\/in\/koczy\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-267 alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/linkedin25.jpg\" alt=\"\" width=\"25\" height=\"25\" \/><\/a><\/p>\n<p><a href=\"https:\/\/www.mendeley.com\/profiles\/laszlo--koczy\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-149 alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/mendeley-300x296.png\" alt=\"\" width=\"25\" height=\"25\" srcset=\"https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/mendeley-300x296.png 300w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/mendeley-150x150.png 150w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/mendeley.png 487w\" sizes=\"auto, (max-width: 25px) 85vw, 25px\" \/><\/a><a href=\"https:\/\/orcid.org\/0000-0002-8588-6140\" rel=\"attachment wp-att-151\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-151 alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/orcid.png\" alt=\"\" width=\"25\" height=\"25\" srcset=\"https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/orcid.png 225w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/orcid-150x150.png 150w\" sizes=\"auto, (max-width: 25px) 85vw, 25px\" \/><\/a><a href=\"https:\/\/www.webofscience.com\/wos\/author\/record\/B-3519-2011\" rel=\"attachment wp-att-152\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-152\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/publons.png\" alt=\"\" width=\"25\" height=\"25\" srcset=\"https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/publons.png 225w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/publons-150x150.png 150w\" sizes=\"auto, (max-width: 25px) 85vw, 25px\" \/><\/a><a href=\"https:\/\/ideas.repec.org\/e\/pko27.html\" rel=\"attachment wp-att-153\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-153 alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/repec2.png\" alt=\"\" width=\"75\" height=\"26\" \/><\/a><a href=\"http:\/\/www.researchgate.net\/profile\/Laszlo_Koczy\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/researchgate-300x295.png\" alt=\"\" width=\"25\" height=\"25\" \/><\/a><a href=\"https:\/\/www.scopus.com\/authid\/detail.uri?authorId=57189227724\" rel=\"attachment wp-att-156\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-156\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/scopus.png\" alt=\"\" width=\"25\" height=\"25\" srcset=\"https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/scopus.png 187w, https:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/scopus-150x150.png 150w\" sizes=\"auto, (max-width: 25px) 85vw, 25px\" \/><\/a><a href=\"https:\/\/twitter.com\/laszlokoczy\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" src=\"http:\/\/qsms.bme.hu\/wp-content\/uploads\/2018\/10\/twitter-300x300.png\" alt=\"\" width=\"25\" height=\"25\" \/><\/a><\/p>\n<h5 id=\"contact\">Contact details<\/h5>\n<p>QA341, Department of Finance, Faculty of Economic and Social Sciences, Budapest University of Technology and Economics, Magyar tud\u00f3sok k\u00f6r\u00fatja 2, H-1117 Budapest. <a href=\"mailto:koczy.laszlo@gtk.bme.hu\">koczy.laszlo@gtk.bme.hu<\/a><\/p>\n<h5 id=\"resint\">Research interests<\/h5>\n<p>Cooperative game theory;\u00a0economic theory;\u00a0experimental economics;\u00a0matching; social choice theory;\u00a0voting;\u00a0risk; networks;\u00a0scientometrics<\/p>\n<h5 id=\"selpub\">Selected publications<\/h5>\n<ul>\n<li>K\u00f3czy L. \u00c1., Csercsik D., Sziklai, B. (2022): <a href=\"https:\/\/doi.org\/10.1016\/j.esr.2022.100982\">Nord Stream 2: A prelude to war<\/a>, Energy Strategy Reviews 44, 100982 (D1)<\/li>\n<li>Kiss H.J., K\u00f3czy L.\u00c1., Pint\u00e9r \u00c1., Sziklai B.R. (2022): <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2214804322000568\">Does risk sorting explain overpricing in experimental asset markets?<\/a> Journal of Behavioral and Experimental Economics 99, 101882. (Q2)<\/li>\n<li>K\u00f3czy L. \u00c1. (2022): <a href=\"https:\/\/link.springer.com\/article\/10.1007\/s10479-022-04669-5\">Core-stability over networks with widespread externalities<\/a>, Annals of Operations Research. (Q1)<\/li>\n<li>Petr\u00f3czy D. G., Rogers M. F., K\u00f3czy L. \u00c1. (2022): <a href=\"https:\/\/www.mdpi.com\/2073-4336\/13\/1\/18\">Exits from the European Union and Their Effect on Power Distribution in the Council<\/a>. Games 13(1), 18<\/li>\n<li>Staudacher J., K\u00f3czy L. \u00c1., Stach I., Filipp, J., Kramer M., Noffke T., Olsson L., Pichler J., Singer T. (2021): <a href=\"https:\/\/ord.pwr.edu.pl\/Issues\/2021\/vol31\/p1576\">Computing power indices for weighted voting games via dynamic programming<\/a>. Operations Research and Decisions 31 (2) 123-145.<\/li>\n<li>K\u00f3czy L. \u00c1. (2021): <a href=\"https:\/\/www.mdpi.com\/2073-4336\/12\/2\/51\">Brexit and Power in the Council of the European Union<\/a>. Games 12(2), 51.<\/li>\n<li>Herings, P.J.J., K\u00f3czy L. \u00c1. (2021): <a href=\"https:\/\/doi.org\/10.1016\/j.geb.2021.02.003\">The equivalence of the minimal dominant set and the myopic stable set for coalition function form games<\/a>, Games and Economic Behavior 127, 67-79. (D1)<\/li>\n<li>Fert\u0151, I., K\u00f3czy, L.\u00c1., Kov\u00e1cs A., Sziklai, B.R. (2020): <a href=\"https:\/\/doi.org\/10.1093\/erae\/jbaa011\">The power ranking of the members of the Agricultural Committee of the European Parliament<\/a>, European Review of Agricultural Economics 47 (5), 1897-1919.<\/li>\n<li>Sziklai, B., K\u00f3czy L. \u00c1., Csercsik D., Hubert, F., (2020): <a href=\"https:\/\/doi.org\/10.1016\/j.enpol.2020.111692\">The impact of Nord Stream 2 on the European gas market bargaining positions<\/a>, Energy Policy 144, 111692.<\/li>\n<li>Csercsik D., Hubert, F., K\u00f3czy L. \u00c1.; Sziklai, B. (2019): <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0140988319300283\">Modelling transfer profits as externalities in a cooperative game-theoretic model of natural gas networks<\/a>, Enegy Economics 80, 355-365.<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00f3czy, L. \u00c1. (2018). <a href=\"https:\/\/doi.org\/10.1007\/978-3-319-69841-0\">Partition Function Form Games<\/a>. Theory and Decision Library C 48, Springer International Publishing.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00f3czy L. \u00c1., Bir\u00f3 P., Sziklai B. (2017): <a href=\"http:\/\/research.illc.uva.nl\/COST-IC1205\/BookDocs\/TrendsCOMSOC.pdf#page=329\">US vs. European Apportionment Practices: The Conflict between monotonicity and proportionality<\/a>, Trends in Computational Social Choice, ed.: Ulle Endriss, 309-325. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00f3czy L. \u00c1. (2015): <a href=\"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S030440681500097X\">Stationary consistent equilibrium coalition structures constitute the recursive core<\/a>, Journal of Mathematical Economics 61, 104-110.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Bir\u00f3, P.; K\u00f3czy L. \u00c1.; Sziklai, B. (2015): <a href=\"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0165489615000487\">Fair apportionment in the view of the Venice Commission\u2019s recommendation<\/a>, Mathematical Social Sciences 77, 32-41.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00f3czy L. \u00c1. (2012): <a href=\"http:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0165489611000916\">Beyond Lisbon: Demographic trends and voting power in the European Union Council of Ministers<\/a>, Mathematical Social Sciences 63, 152-158. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Cs\u00f3ka, P., Herings, P.J.J., K\u00f3czy L. \u00c1., Pint\u00e9r P.M. (2011): <a href=\"http:\/\/www.sciencedirect.com\/science\/article\/pii\/S0377-2217(10)00540-0\">Convex and exact games with non-transferable utility<\/a>, European Journal of Operations Research 209, 57-62. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00f3czy L. \u00c1. (2007): <a href=\"http:\/\/link.springer.com\/10.1007\/s11238-007-9030-x\">A recursive core for partition function form games<\/a>, Theory &amp; Decision 63, 41-51. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Cs\u00f3ka, P., Herings, P.J.J., K\u00f3czy L. \u00c1. (2009): <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0899825608002042\">Stable allocations of risk<\/a>, Games and Economic Behavior \u00a067, 266-276. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00f3czy L. \u00c1., L. Lauwers (2007): <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0899825607000073\">The minimal dominant set is a non-empty core-extension<\/a>, Games and Economic Behavior 61, 2., 277-298. <\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">K\u00f3czy L. \u00c1., L. Lauwers (2004): <a href=\"http:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0899825603002021\">The coalition structure core is accessible<\/a>, Games and Economic Behavior 48, 86-93.<\/span><\/li>\n<\/ul>\n<h5 id=\"wip\">Work in progress<\/h5>\n<ul>\n<li>Power and preferences (with Bal\u00e1zs R. Sziklai)<\/li>\n<li><a href=\"https:\/\/ideas.repec.org\/p\/pkk\/wpaper\/1104.rdf.html\">The men who weren&#8217;t even there: Legislative voting with absentees<\/a> (with Mikl\u00f3s Pint\u00e9r)<\/li>\n<li><a href=\"http:\/\/www.mtakti.hu\/wp-content\/uploads\/2019\/03\/MTDP1907.pdf\">J\u00e1t\u00e9kelm\u00e9let \u00e9s jog<\/a>. [Game theory and law] Written for\u00a0Jakab &#8211; Seb\u0151k &#8211; Szalai (eds.): Empirikus jogi tanulm\u00e1nyok paradigm\u00e1i \u00e9s m\u00f3dszertana. Gyakorlati bevezet\u00e9s jog\u00e1szoknak [Paradigms and methods for empirical legal studies: a practical introduction for lawyers] (2019, <em>in preparation<\/em>)<\/li>\n<li><a href=\"https:\/\/ideas.repec.org\/p\/pra\/mprapa\/65053.html\">Cooperation, Selfishness and Joint Risks in Industrial Clusters<\/a> (with Endre Gedai, Gerd Meier zu K\u00f6cker, and Zita Zombori)<\/li>\n<li><a href=\"https:\/\/ideas.repec.org\/p\/pkk\/wpaper\/1011.rdf.html\">The World Cup of economics journals: A ranking by the tournament method<\/a> (with Martin Strobel)<\/li>\n<li>An experimental investingation of soft-constrained school choice (with P\u00e9ter Bir\u00f3, J\u00e1nos Hubert Kiss, Joana Pais and Bal\u00e1zs Sziklai)<\/li>\n<li>The analysis of European apportionment practices (with Bal\u00e1zs Sziklai)<\/li>\n<li>\u00a0Voting power in international organizations (with Orsolya Szendrey)<\/li>\n<li>A risk-based evaluation of European natural gas supply security \u2013 The case of Nordstream 2\u00a0 (with D\u00e1vid Csercsik and Bal\u00e1zs Sziklai)<\/li>\n<li>Core-theoretical stability of the Kyoto-protocol (with Johan Eyckmans)<\/li>\n<\/ul>\n<h5 id=\"phd\">Ph.D. students<\/h5>\n<ul>\n<li><a href=\"http:\/\/finance.uni-corvinus.hu\/index.php?id=pcsoka\">P\u00e9ter Cs\u00f3ka<\/a> (Maastricht University, 2008)<\/li>\n<li><a href=\"https:\/\/www.researchgate.net\/profile\/Peter_Szikora\">P\u00e9ter Szikora<\/a> (\u00d3buda University, 2016)<\/li>\n<li>Aykhan Masimli (BME, 2025 expected)<\/li>\n<\/ul>\n<h5 id=\"respro\">Research projects for students<\/h5>\n<ul>\n<li>Social choice theory and its applications: The theory and applications of apportionment methods.<\/li>\n<li>Game theory and its applications to finance: Risk management in cooperative games with externalities<\/li>\n<li>Cooperative route-planning<\/li>\n<li>Dynamic and stochastic cooperative games<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Contact\u00a0 \u00a0 \u00a0 \u00a0 \u00a0Interests\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Publications\u00a0 \u00a0 \u00a0 \u00a0 \u00a0Work in progress\u00a0 \u00a0 \u00a0\u00a0Ph.D. students\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Projects for students L\u00e1szl\u00f3 \u00c1. K\u00f3czy is a professor at the Finance Dept and the director of QSMS. He graduated from the University of Cambridge reading Mathematics and from KU Leuven in &hellip; <a href=\"https:\/\/qsms.bme.hu\/index.php\/koczy\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;L\u00e1szl\u00f3 \u00c1. K\u00f3czy&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-74","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/qsms.bme.hu\/index.php\/wp-json\/wp\/v2\/pages\/74","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qsms.bme.hu\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/qsms.bme.hu\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/qsms.bme.hu\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/qsms.bme.hu\/index.php\/wp-json\/wp\/v2\/comments?post=74"}],"version-history":[{"count":69,"href":"https:\/\/qsms.bme.hu\/index.php\/wp-json\/wp\/v2\/pages\/74\/revisions"}],"predecessor-version":[{"id":1593,"href":"https:\/\/qsms.bme.hu\/index.php\/wp-json\/wp\/v2\/pages\/74\/revisions\/1593"}],"wp:attachment":[{"href":"https:\/\/qsms.bme.hu\/index.php\/wp-json\/wp\/v2\/media?parent=74"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}