Sohn, P., and J.-Y. Seo. “Investor Heterogeneity and Asymmetric Volatility under Short-Sale Constraints: Evidence from Korean Fund Market”. Estudios De Economía, vol. 42, no. 1, Sept. 2015, pp. pp. 21-51, https://estudiosdeeconomia.uchile.cl/index.php/EDE/article/view/37256.