Latest Communications of International Proceedings articles

24
Aug
2025

The Impact of Employment Scale and Branch Network Expansion on The Sales of Loan and Deposit in Large Cooperative Banks in Poland – Implications for Operational Optimisation

Trends in Economic Development: 45ECO 2025
The aim of this paper was to examine the impact of branch numbers and employment levels in large Polish cooperative banks on loan and deposit sales. Using quarterly panel data from 2020–2024 for 19 banks with assets over PLN 1 billion, we applied static panel…
18
Aug
2025

How Much Proportionality in Degressive Proportionality: The Case of Allocating Seats in the European Parliament Among Member States of the European Union

Statistical and Economic Modelling: 45EcoModel 2025
In the case of cooperation of many entities, smaller entities are at risk of being dominated by larger entities. In order to limit this potential domination when choosing decision-makers setting the rules of this cooperation, the principle of degressive proportionality can be applied. Equal allocation…
18
Aug
2025

Between Equality and Proportionality: The Generalized Divisor Method

Statistical and Economic Modelling: 45EcoModel 2025
In the paper, we address the problem of dividing indivisible goods, taking into account both proportionality and equality, which are key issues in practical applications such as the division of parliamentary seats or the allocation of resources. Traditional divisor methods focus primarily on proportional division,…
18
Aug
2025

Models For Optimal Investment And Production Plans In The Mining Industry

Statistical and Economic Modelling: 45EcoModel 2025
This paper intends to present different models for the decision-making process in mining enterprises. Hence, the paper first introduces the general model dedicated to solving different problems raised by determining the optimal investment planning in the mining industry. The developed model can also be written…
18
Aug
2025

Modelling of Intraday Stock Trading Volumes of Liquid International Companies: A Standard AR Structure or a Linear ACV Model?

Statistical and Economic Modelling: 45EcoModel 2025
In this paper we analyse intraday stock trading volumes of liquid companies and compare the modelling ability of standard autoregressive models for log trading volumes and alternative linear autoregressive conditional volume (ACV) models. We consider three AR models with normal distribution, while its conditional variance…
15
Aug
2025

Statistics in SAP ABAP

Artificial Intelligence, Data Analytics, and Intelligent Systems: 45AI 2025
Statistical methods are used in research encompass planning, designing, data collection, analysis, interpretation, and reporting of findings. Through statistical analysis, raw numbers are transformed into meaningful insights, bringing data to life. The accuracy of results and conclusions depends on the appropriate application of statistical tests.…
14
Aug
2025

Development of an Economic and Mathematical Model, Analysis and Transformation of the Hops Market in the Russian Federation in the Medium Term

Statistical and Economic Modelling: 45EcoModel 2025
The article examines the state of hop production in the Russian Federation in connection with state regulation of the agricultural sector. Based on retrospective data and production factors, a mathematical and economic model of hop production development for the medium term is constructed. It is…
14
Aug
2025

Statistical Analysis of Physical Culture and Health in Poland

Statistical and Economic Modelling: 45EcoModel 2025
This study explores the economic and social impact of physical activity, focusing on its role in reducing public health costs and enhancing overall well-being. Recognizing physical activity as a valuable investment, the research analyzes the barriers to participation in sports and recreational activities among Polish…
14
Aug
2025

Container Shipping in the Economic Crisis Period 2007 – 2010

Transport Economics and Market Dynamics: 45EcoLogistics 2025
It was verified in previous research (see Gardoń, 2014) that a weekly average net freight in container shipping may be successfully modeled by means of the jump-diffusive process with homogeneous Poissonian jumps. However, there are some doubts among the other researchers if the model works…
14
Aug
2025

Return To The Idea of A Central Communication Hub For Poland

Transport Economics and Market Dynamics: 45EcoLogistics 2025
The development of the modern economy is contingent upon an efficient and effective transportation system, sustained by a robust economy that ensures the necessary volume of goods, passengers, and services to cover operational costs and infrastructure expansion. Given the rapid growth of the aviation market…