数据创新中心：2017被阻止：为什么一些公司限制数据访问以减少竞争以及开放API如何提供帮助（英文版）

In some industries and markets, a small number of firms have exclusive access to particular datasets, and they exploit their market power to limit access to that data through both technical and administrative means without any legitimate business justification. In the real estate, financial services, and air travel industries, for example, established firms are using their exclusive control of information about property listings, customer financial transactions, and airline tickets, respectiv