OkCupid’s Mr Yagan argues that the size of the fee that most paid sites charge is not big enough to act as an effective filter.

OkCupid的Yagan说大多数收费网站收取的费用不足以实现有效的过滤。

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Paid clicks to major retail sites and travel agencies were down 20% and 25% respectively.

主要零售网站和旅游机构的付费点击分别下降了20%和25%。

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Other founders of the "I-paid-a-bribe" sites said they did not want trouble for running the websites.

另外几家“我贿赂了”网站的创立者们表示，他们不想因经营网站而招惹麻烦。

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OkCupid's Mr Yagan argues that the size of the fee that most paid sites charge is not big enough to act as an effective filter.

ECONOMIST: Online dating

And one of those approaches is using paid job sites like the Ladders, LinkedIn Premium, and FlexJobs.

FORBES: Should You Pay for Job Listings?

News Corp owns the Wall Street Journal, which has one of the most successful paid-for sites with about 407, 000 electronic subscribers.

BBC: Times and Sunday Times websites to charge from June