In the era of digital economy,data has become the fifth largest new production factor on a par with land,technology,capital and labor,and is known as the source of power for contemporary economic development.After platform enterprises invest huge amount of capital to obtain data dominance,the data blockade behavior imposed on peer enterprises and downstream market enterprises seriously damages the competitive order of various fields of markets.In order to avoid the proliferation of data access restrictions in the Chinese market,lessons should be drawn from extraterritorial regulatory theories,such as"necessary facilities"and"data portability".And under the guidance of principle of tolerance and prudence,the regulation system that meets the needs of the Chinese digital economy development should be constructed.
data accessaccess restrictiondata monopolydouble-round monopolynecessary facilitiesdata portability