Presentación.

Issue 97 of the magazine "Economic Analysis" presents ten articles by researchers from various universities in Mexico. The topics addressed include the dynamic convergence of time series, the estimation of the CAPM-alpha model, the role of early warnings in identifying currency crises in Mexico, the impact of partisan ideology on economic growth at the state level, the relationship between working poverty and inflation, the effect of technological progress on the profitability of the manufacturing sector, debt and stock performance in the Mexican Stock Exchange, the competitiveness of Mexican fresh beef in the US market, financial culture in micro and small family and non-family businesses in Latin America, and wage discrimination in the informal sector of Mexico City during the COVID-19 pandemic. [Extracted from the article]