Chen, M.-C., H.-J. Tsai, T.-F. Sing, and C.-Y. Yang. “Contagion and Downside Risk in the REIT Market During the Subprime Mortgage Crisis”. International Journal of Strategic Property Management, vol. 19, no. 1, Apr. 2015, pp. 42-57, doi:10.3846/1648715X.2014.974724.