process of integration of indigenous societies into the market economy through three stages: (1) luxuries became necessities, and the influence of trading relationships disrupts native social organization, (2) government and outsiders pushed the indigenous to market, and (3) indigenous people made a conscious choice to became part of market economies. The AshAninka The Ashininka are an Arawakan-speaking people inhabiting the Upper Ucayali tributary valleys (Tambo, Perene, Pichis, Apurimac and Ene), the interfluvial Gran Pajonal area and the Upper Ucayali seasonal flooding lands in the Selva Central region in the Peruvian Amazon. According to the last national census (INEI 1993), the Ashininka population was 51,093 people among 359 communities located in the tropical rain forest in the departments of Junin, Pasco, Cuzco and Ucayali. Within the Ashininka, six ethnic groups are identified according to their geographic distribution and some linguistic and cultural differences. The target communities of this research belong to the Campa-Ashininka group, the most numerous, with some 40,518 (INEI 1993) in the Lower Apurimac, Ene, Tambo, Lower Perene and Satipo valleys (Yafiez 1998). The Ashininka traditional domestic unit consists of residential units of four or five nuclear families linked by kinship and affinity relations. These residential units have a leader and share a common territory or nampitsi. In the 1960s, these residential units were grouped into indigenous communities, within larger territories that comprise various nampitsi. Several factors caused the concentration of the dispersed population into grouped communities: colonist pressure over indigenous territories, the need to ensure land tenure rights, school influences, and the activities of churches and governmental