The article examines the economic performance of Brazil, Mexico, and the USA, focusing on the role of the service sector. It looks at how these countries have shifted towards services like transportation, retail, finance, healthcare, and education, compared to traditional commodity-producing sectors. The researchers analyze data on population, employment, GDP, exchange rates, and prices to understand the performance of these sectors. Key findings include the importance of the service sector in driving economic growth and the need to reconcile different data sources for a comprehensive analysis.