Subsequently, they moved to Northern Sichuan in the 7th century, and subsequently to northwest Yunnan in the 14th century. Many of them settled down to become farmers, and local landlords dominated the Pumi economy in Lanping and Lijiang counties. Except for a small number of common areas, the landlords held large areas of lands and collected rental fees from the peasants. This accounted for at least 50 per cent of the harvest. Pumi landlords and Nakhi chiefs also traded domestic slaves.