Chinese Abstract: 互联网经济通过大幅度降低交易成本和降低信息不对称程度，加速现有交易的发 生，并促成新的交易，提高整体社会福利。由于还没有充分考量“数据”和“信息”等新要...

The aim of this study is to investigate how network effects affect the quality and price decisions of firms in a vertically differentiated market. As network effects increase, high-quality producers tend to raise quality while low-quality producers lower it. The degree of product differentiation...