Sándor Lajos Kovács

Factors influencing global life expectancy across different income levels using Shapley value decomposition

The convergence of life expectancy across nations is a pivotal subject of inquiry in global health economics. Traditional econometric approaches have difficulty precisely allocating the relative contributions of multiple interacting variables, especially in nonlinear or complex m...

Mitigating the bullwhip effect: the role of ESG performance in Chinese enterprises

Abstract Supply chain resilience is vital to the long-term operation of enterprises. With the concept of sustainable development becoming deeply ingrained globally, enterprises are actively implementing environmental, social, and governance (ESG) practices. Based on panel data of...

Health, image, and influence: how social media influencers shape consumer behavior in Hungary

Abstract Social media, electronic word-of-mouth, and influencers are essential parts of our daily lives, all of which have an impact on our shopping habits, consumer decision-making, and health consciousness. The aim of the study on the impact of social media influencers (SMIs) o...

Digital maturity and financial balance: a deep analysis of performance management in Hungarian E-commerce enterprises from 2019 to 2023

This research examines performance measurement practices and financial effectiveness in Hungarian e-commerce from 2019 to 2023, addressing how inconsistent decision-support systems challenge sustainable profitability. Conducted across a structured multi-phase research timeline (2...