During the 2007/2008 global economic crisis, market liquidity became an important issue both on the field of theoretical finance and in practice. In theory market liquidity is usually being modeled with price impact functions. In this study we show how the price impact function can be estimated...

Az árhatásfüggvények azt mutatják meg, hogy egy adott értékű megbízás mekkora relatív árváltozást okoz. Az árhatásfüggvény ismerete a piaci szereplők számára fontos szerepet játszik a jövőben benyújtandó ajánlataikhoz kapcsolódó árhatás előrejelzésében, a...

A dolgozat első részében röviden áttekintjük a 2007-ben kezdődött pénzügyi válság lefolyását és a válsághoz vezető okokat. A bemutatás során igyekszünk végig a mögöttes folyamatokra és azok mozgatórugóira koncentrálni, ezzel megragadva a válság egyfajta...

In recent years, crowdfunding for medical expenses has gained popularity, especially in countries without universal health coverage. Nevertheless, universal coverage does not imply covering all medical costs for everyone. In countries with universal coverage unmet health care needs typically...

Background: Bipolar disorder if untreated, has severe consequences: severe role impairment, higher health care costs, mortality and morbidity. Although effective treatment is available, the delay in diagnosis might be as long as 10–15 years. In this study, we aim at documenting the length of...

The severity and frequency of operational loss events show high variability across the globe. In this paper, we first examine the extent to which the quality of country-level governance measured by the Worldwide Governance Indicators explains cross-country variation of operational losses. We use...

We investigate the monitoring role of the media, its detection and deterrence effects in corporate operational losses. Relying on our theoretical model, we analyze 8,144 loss events from 132 countries between 2008 and 2019. Controlling for factors related to governance, living standards,...

Background: Measuring and understanding the level of health literacy serves as a starting point for developing various policies in health care. The consequences of weak health literacy competencies are severe; they result in riskier health behaviour, poorer health status, more frequent emergency...

In this study, we investigate how internal and external monitoring systems can help combat greenwashing. We propose a novel, incident‐based measure to investigate the greenwashing behavior of 1218 large and mid‐cap companies across different industries between 2008 and 2020. These companies...

In this systematic methodological literature review, we provide an overview, a typology, and a critical analysis of f irm-level greenwashing measures derived from secondary data and utilized in empirical studies. 111 eligible studies were incorporated in this review. The high number of recently...