New article, co-authored by Balázs Lengyel in the journal Economic Geography
Understanding Regional Branching: Knowledge Diversification via Inventor and Firm Collaboration Networks Dieter F. Kogler, Adam Whittle, Keungoui Kim, Balázs Lengyel Abstract The diversification of regions into new technologies is driven by the degree of relatedness to existing capabilities already present in the region. In cases where opportunities for diversification are rather limited, external knowledge that […]
New article by Tamás Hajdu in the journal Population and Environment
The effect of temperature on birth rates in Europe Hajdu Tamás Abstract Using data from 32 European countries for nearly 244 million live births between 1969 and 2021, this paper examines the effects of temperatures on birth rates. The results show that exposure to hot days slightly reduces birth rates five to eight months later, […]
New article, co-authored by Tibor Bareith in the journal Risks
Navigating Inflation Challenges: AI-Based Portfolio Management Insights Tibor Bareith, Tibor Tatay, László Vancsura Abstract After 2010, the consumer price index fell to a low level in the EU. In the euro area, it remained low between 2010 and 2020. The European Central Bank has even had to take action against the emergence of deflation. The situation […]
New article, co-authored by Attila Gáspár in the journal Plos One
Why are some countries rich and others poor? development and validation of the attributions for Cross-Country Inequality Scale (ACIS) Michela Vezzoli, Roberta Rosa Valtorta, Attila Gáspár, Carmen Cervone, Federica Durante, Anne Maass, Caterina Suitner Abstract Understanding lay theories on the causes of economic inequality is the first step to comprehending why people tolerate, justify, or react against […]
New article, co-authored by Ágnes Cseh in the journal Games and Economic Behavior
Popular matchings with weighted voters Klaus Heeger, Ágnes Cseh Abstract We consider a natural generalization of the well-known POPULAR MATCHING problem where every vertex has a weight. We call a matching 𝑀 more popular than matching 𝑀′ if the weight of vertices preferring 𝑀 to 𝑀′ is larger than the weight of vertices preferring 𝑀′ […]
New journal article by Tamás Hajdu, Judit Krekó, and Csaba Tóth G. in the journal Scientific Reports
Inequalities in regional excess mortality and life expectancy during the COVID-19 pandemic in Europe Tamás Hajdu, Judit Krekó, Csaba Tóth G. Abstract Using data for 201 regions (NUTS 2) in Europe, we examine the mortality burden of the COVID-19 pandemic and how the mortality inequalities between regions changed between 2020 and 2022. We show that […]
New article, co-authored by Anikó Bíró, Péter Elek in the journal Econometrics of Multi-dimensional Panels
Multi-dimensional Panels in Health Economics with an Application on Antibiotic Consumption Bíró Anikó, Elek Péter, Kungl Nóra Abstract Variation in healthcare use and health outcomes is a major concern for health policy. The availability of multi-dimensional administrative panel data sets has facilitated the study of the sources of variations. This chapter reviews the health economics […]
New article, co-authored by Péter Biró in the journal Cenral European Journal of Operations Research
Optimization methods and algorithms Péter Biró, Sándor Bozóki, Tamás Király, Alexandru Kristály Abstract Recent results of three areas, pickup and delivery, optimal mass transportation, matching under preferences are highlighted. The topics themselves have been selected from the active research fields of Hungarian Operations Research. We also provide a short summary of selected research results from […]
New journal article, co-authored by Imre Fertő in the journal Water Recources Management
Combined Systematic Review and Meta-Analysis of Ground-Level Impacts of Management Transfer to Poor Farmers in Developing Countries Éva Pék, Imre Fertő, Stefania Giusti, Maher Salman Abstract The responsibility transfer of irrigation management from the state to farmers emerged as a mutually beneficial strategy to enhance food production while reducing pressure on central budgets. Yet the […]
New paper, co-authored by Ildikó Schlotter in the Proceedings of the 2024 Annual ACM-SIAM Symposium on Discrete Algorithms (SODA) kiadványban
Arborescences, Colorful Forests, and Popularity Telikepalli Kavitha, Kazuhisa Makino, Ildikó Schlotter, and Yu Yokoi Abstract Our input is a directed, rooted graph G = (V ∪ {r}, E) where each vertex in V has a partial order preference over its incoming edges. The preferences of a vertex extend naturally to preferences over arborescences rooted at r. We seek a popular arborescence in G, i.e., one for which there is no “more popular” arborescence. […]
New article, co-authored by Ágnes Cseh in the journal Journal of Quantitative Analysis in Sports
Improving ranking quality and fairness in Swiss-system chess tournaments, Pascal Sauer, Ágnes Cseh, Pascal Lenzner Abstract The International Chess Federation (FIDE) imposes a voluminous and complex set of player pairing criteria in Swiss-system chess tournaments and endorses computer programs that are able to calculate the prescribed pairings. The purpose of these formalities is to ensure […]
New article, co-authored by Szilárd Podruzsik in the journal Foundations of Management
Conflict Costs in National and International Business: A Comparative Analysis Phyllis Dirrler, Szilárd Podruzsik Abstract Studies presented the importance of conflict costs. Cultural diversity adds more complexity to working groups, fostering conflict. The aim of this research is to investigate how cultural diversity affects conflict costs, measured in terms of lost time & cost amplifiers. […]
