User:Mike the philosopher/citing sources

Employment, income, and consumption are basic elements of the quality of life.

Knopman, D., Zmud, J., Ecola, L., Mao, Z., & Crane, K. (2015). Economic Development. In Quality of Life Indicators and Policy Strategies to Advance Sustainability in the Pearl River Delta (pp. 123–134). RAND Corporation. http://www.jstor.org/stable/10.7249/j.ctt19w7212.17