In the recent literature, increasing attention has been paid to cases when the shocks to a small number of firms would lead to large volatility in many sectors. Theorists find that supply chains play a role, as the shocks to a firm or a sector may propagate through the input–output linkages...

The developmental status and situation of Yunnan Bari agriculture are introduced. The prominent problems of Yunnan Bari agriculture are put forward from the restriction of natural environment and the limitation of social economic conditions. The factors mat affect the development of Bari...

Qingshuitang Village near the Qingmuchi Village is taken as the control region, which has similar status of social economy and flue-cured tobacco cultivation and has not implemented specialized curing. Permanent residents above the age of 18 in the two villages are investigated. Due to the...