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Title: Changes in the Composition of the WIG20 and mWIG40 Indice and the Operational Performance of Newly Added Companies

Title in english:

Wpływ zmian składu indeksu WIG20 i mWIG40 na wyniki operacyjne dodanych spółek

Creator:

Blaszke, Ewa

Description:

Financial Sciences. Nauki o Finansach, 2024, vol. 29, no. 1, s. 13-23

Abstrakt:

Aim: This article investigates whether the transition of companies from the mWIG40 index to the more prestigious WIG20 index affects their operational efficiency. Methodology: The study analyzes 17 companies that transitioned from mWIG40 to WIG20 between 2000 and 2020. Four operational efficiency indicators were calculated for each company in the four quarters preceding and following the index change. The t-Student test was applied to determine whether this shift had a statistically significant impact on operational performance. Findings: The analysis did not reveal statistically significant changes in the majority of the examined operational efficiency indicators following the transition. The exception was the net income on sales/total revenue ratio, which demonstrated statistically significant differences in certain quarters after the index change. Implications: These findings support the hypothesis that the transition of a company from the mWIG40 index to WIG20 does not lead to an improvement in its operational results. The results suggest that investors should carefully evaluate other factors when interpreting index transitions as signals of improved corporate performance. Originality/value: This study contributes to the existing literature by providing empirical evidence on the relationship between stock index transitions and operational performance in the Polish capital market, addressing a relatively underexplored research area.

Publisher:

Publishing House of Wroclaw University of Economics and Business

Place of publication:

Wrocław

Date:

2024

Resource Type:

rozdział

Resource Identifier:

doi:10.15611/fins.2024.1.02 ; oai:dbc.wroc.pl:130353

Language:

eng

Relation:

Financial Sciences. Nauki o Finansach, 2024, vol. 29, no. 1

Rights:

Pewne prawa zastrzeżone na rzecz Autorów i Wydawcy

Access Rights:

Dla wszystkich zgodnie z licencją

License:

CC BY-SA 4.0

Location:

Uniwersytet Ekonomiczny we Wrocławiu

Group publication title:

Financial Sciences. Nauki o Finansach

Object collections:

Last modified:

Jan 17, 2025

In our library since:

Jan 17, 2025

Number of object content hits:

2

All available object's versions:

https://dbc.wroc.pl./publication/168894

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Edition name Date
Changes in the Composition of the WIG20 and mWIG40 Indice and the Operational Performance of Newly Added Companies Jan 17, 2025

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