Due to its endurance, the Mexican political system is a highly interes
ting case study. This article analyzes the relations between the gover
nment and the ruling party, the well-known Institutional Revolutionary
Party. Among other issues, it examines the patterns of recruitment, t
he clientelistic networks, and the decision-making processes. The stud
y concludes with a series of observations on the future of the relatio
ns between the government and the ruling party in Mexico.