International Journal of Management and Business Studies

International Journal of Management and Business Studies ISSN 2167-0439 Vol. 14 (4), pp. 001-011, April, 2025. Available online at www.internationalscholarsjournals.org © International Scholars Journals

Full Length Research Paper

Transformations in Management Accounting: A Study of the Portuguese Telecommunications Sector

Maria João Martins Ferreira Major

Associate professor Maria Major at ISCTE – Lisbon University Institute and BRU/UNIDE researcher, Avenida das

Forças Armadas, 1649-026 Lisbon, Portugal, Europe.
Email: [email protected]; Phone number: +351/217903495

Accepted 14 November, 2024

This paper sought to study the reasons that explain why has a telecommunications operator (called Marconi) changed its traditional management accounting systems (MAS) and replaced it with activity-based costing (ABC). The paper relied on qualitative data collected through a longitudinal and in-depth case study in the telecommunications sector. The investigation was informed by new institutional sociology (NIS) insights. The study evidenced that Marconi adopted ABC in order to fulfil its constituencies’ expectations of efficiency created with the reorganisation of the Portuguese telecommunications sector and the introduction of competition in the market. Furthermore, the paper contests the managerial emphasis that ABC has been subject to and claims that social accounting theories, such as institutionalism, should be adopted by management accounting researchers in order to achieve a deeper understanding of the ‘ABC phenomenon’.

Keywords: Management accounting change, Activity-Based Costing, Portuguese telecommunications liberalisation, New Institutional Sociology.