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3. Estimativa da Área de Cobertura para Dark Kitchens: Uma Abordagem a partir da Teoria das Filas.

Author

Pessoa Forte, Joana Ancila, Soares Lins, Luan Carlos, De Sousa Dantas, Camila, Pereira, Paulo, Regina do Monte Nascimento, Aline, Martins Maciel, Paulo Romero, Magalhães de Oliveira, Renata Lúcia, and Cristine de Sá Pedrosa Dantas, Renata

Abstract

Copyright of CISTI (Iberian Conference on Information Systems & Technologies / Conferência Ibérica de Sistemas e Tecnologias de Informação) Proceedings is the property of Conferencia Iberica de Sistemas Tecnologia de Informacao and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2023

4. An Analysis of the Effects on Rail Operational Efficiency Due to a Merger between Brazilian Rail Companies: The Case of RUMO-ALL

Author

Ferreira da Silva, Francisco Gildemir, Magalhães de Oliveira, Renata Lúcia, Marinov, Marin, Ferreira da Silva, Francisco Gildemir, Magalhães de Oliveira, Renata Lúcia, and Marinov, Marin

Abstract

Mergers between companies are motivated by synergy effects that can improve profitability. On February 11, 2015, the Administrative Council for Economic Defense (Cade) approved, the merger between America Latina Logística (ALL), the largest railroad transport company in Brazil and Rumo Logistics (RUMO), an operator with national impact with restrictions, and formed a new entity RUMO-ALL. The approval of this merger suggested that there could be an increase in operational efficiency without compromising the competition. In this work, the operational efficiency of RUMO-ALL is evaluated using Data Envelopment Analysis (DEA) models for the return of adequate scale. Statistical tests of structural break are performed in order to understand if there are an ex-post merger effects on the operational efficiency after the expansion of the service. The results indicate that the rail service after the merger is efficient, but with marginal reduction of production with an increase of input, which is expected according to neoclassical economic theory for monopolies.

Published
2020

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