In this case, why chicken agricultures are also needs to hoard chickens? Or make the ream lives chicken price to soar? Or they hope Mid-Autumn Festival to make to sprint finally? This concerning to the first principle, people face tradeoffs. Because society faces is between efficiency and equity. That increase equity, can redistribute income from the well-off to the poor. But this reduces the incentive to work and produce, and shrinks the size of the economic pie to how it is divided.