This assignment delves into the relationship between marketing mix elements and brand relationship quality within the context of Vietnam's transition economy. It examines various studies focusing on specific aspects like relationship value between manufacturers and distributors, firm-specific marketing capital, and psychological capital in influencing marketer job satisfaction and quality of life. The analysis also considers the impact of WTO membership on Vietnamese firms' marketing capabilities and innovativeness. Lastly, it explores the role of cultural sensitization in enhancing business relationship quality.