| Table of contents Merc. negocios vol.23 n.45 Zapopan Jan./Apr. 2022 Letters from the Director | | | | · Editor’s Letter González Alvarado, Tania Elena
| | | Articles | | | | · Collective Defined Contribution Schemes as an Alternative to Pension Plans Gómez Hernández, Denise; Demmler, Michael
| | | | · Key Factors of Competitiveness and Sustainability in Livestock Systems of The Andean-Amazonian Piedmont Pardo Rozo, Yelly Yamparli; Hernández Castorena, Octavio; Andrade Adaime, Milton Cesar
| | | | · Motivation as a Driver of Customer Service: The Impact on Automobile Dealerships Escamilla, Roxana Dalila; Segovia-Romo, Adriana; Terán Cázares, Maria Mayela
| | | | · Economic and social vulnerability because of Covid-19: poverty and food security Cruz Reyes, María Angélica; Luna Bonilla, Mary Xóchitl De; Chávez Ayecac, Vianey
| | | Book reviews | | | | · Bibliographical Review. Sáez, D., & Cabanelas, J. (1997). Cooperar para competir con éxito. Madrid: Ediciones Pirámide. Kubus, Renata
| | | Financial and economic indicators | | | | · Value at Risk (VaR) Gaytán Cortés, Juan
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