자료 1: http://www.ecologyandsociety.org/vol17/iss2/art7/#povertytraps
(...) Figure 1 is reproduced from Barett and Swallow(2006), and represents well-being dynamics under the poverty trap hypothesis. It represent show the well-being at one point in time creates the conditions for well-being in the future, through the internal dynamics of various capital by which the illustrated socioeconomic system evolves. The final outcome is that a poor individual, community, or nation trapped near W_L can only escape to the sustainable state of higher well-being at W_H with well-coordinated external support that increases well-being beyond W_C. Any less and its internal processes will eventually cause it to collapse back to W_L, the very definition of a poverty trap. (...)
Fig.1 represents well-being dynamics under the poverty trap hypothesis, reproduced from Barrett and Swallow(2006) with permission from Elsevier.