1、 Sun Ning and Zaifu Yang (2009): "Double-track adjustment process for discerte markets with substitutes and complements," Econometrica, Vol.77, No.3, pp.933-952. (SSCI)
2、 Sun Ning and Zaifu Yang (2006):"Equilibria and Indivisibilities: Gross Substitutes and Complements," Econometrica, Vol.74, No.5, pp.1385-1402. (SSCI)