Sun, Churen and Tian, Guoqiang (2011): Firms' organizational modes with productivity heterogeneity, demand uncertainty and production capacity. Unpublished.
Ma, Shuang; Sun, Churen and Tian, Guoqiang (2011): Minimum wage and export: evidence from Chinese firm-level data. Unpublished.
Sun, Churen; Tian, Guoqiang and Zhang, Tao (2011): When Pareto meets Melitz: the inapplicability of the Melitz-Pareto model for Chinese firms. Unpublished.