Sub cultural differences i. e. the type of neighborhood in which an individual is raise also affect personality

His module introduces the concept of cultural humility as a guiding principle for effective cross-cultural communication and collaboration. It can be used as a resource for educators, students planning to study abroad or engage in international field work, faculty engaged in cross-cultural research and partnerships, human service practitioners, educators, and any other interested parties.  It was produced in association with the UB 

Complementary goods. they go together, thats why one price increase and the others demand increases