"People received the same rations whether or not they contributed to producing the food, and residents were forbidden from producing their own food. Governor William Bradford, in his 1647 history, Of Plymouth Plantation, wrote that this system was found to breed much confusion and discontent and retard much employment that would have been to their benefit and comfort. The problem was that “young men, that were most able and fit for labour, did repine that they should spend their time and strength to work for other men’s wives and children without any recompense.” Because of the poor incentives, little food was produced.
Giving people economic incentives changed their behavior. Once the new system of property rights was in place, the women now went willingly into the field, and took their little ones with them to set corn; which before would allege weakness and inability."
For Thanksgiving, watch Friedman on the virtues of greed: