56 citations · 56 across the 2 of their papers we have counts for
2 papers
econ.GN2021
Reputation dependent pricing strategy: analysis based on a Chinese C2C marketplace
Zehao Chen, Yanchen Zhu, Tianyang Shen +1
Most online markets establish reputation systems to assist building trust between sellers and buyers. Sellers' reputations not only provide guidelines for buyers but may also infor…
stat.AP2011★ 56 cited
Mean--variance portfolio optimization when means and covariances are unknown
Tze Leung Lai, Haipeng Xing, Zehao Chen
Markowitz's celebrated mean--variance portfolio optimization theory assumes that the means and covariances of the underlying asset returns are known. In practice, they are unknown…