Space-state Monte Carlo Design for Antitrust Market Detection

Ivair Silva and José Antônio S. Vieira

Brazilian Review of Econometrics, 2026, vol. 43, issue 2

Abstract: The detection of antitrust fusions of companies is usually based on cointegration tests, stationarity tests, and linear regression. The present work derives a Monte Carlo test procedure based on an ancillary space-state structure for detecting antitrust merges. An intensive simulation study is performed to show that the proposed test outperforms the conventional methods, and its applicability is illustrated for quarterly milk prices in Minas Gerais and Paraná States, Brazil.

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:sbe:breart:v:43:y:2026:i:2:a:93479

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