The US Justice Department has accused Google of manipulating online ad auctions, a multibillion-dollar industry dominated by Google. The tech giant artificially increased online advertising rates in an unjust manner, allegedly

During a rare antitrust trial in Washington, a lawyer representing the US Justice Department questioned a Google executive on Wednesday regarding the tactics employed by the tech giant to artificially increase online advertising rates in an allegedly unjust manner.

In his testimony at this landmark trial, Google executive Adam Juda disclosed that the company utilizes a formula, which takes into account the quality of an advertisement, to determine the winners of auctions used for ad placement on websites.

This legal proceeding centres on the United States’ accusation that Google has engaged in anti-competitive behaviour by exploiting its dominance in both search and certain advertising practices.

The Justice Department has accused Google of manipulating online auctions – a multibillion-dollar industry dominated by Google – with these formulas to favour its own bottom line.

Justice Department attorney David Dahlquist asked Juda if he agreed with a document that Google had prepared for the European Union, which said that the company can “directly affect pricing through tunings of our auction mechanisms.” Juda said he did not.

Pressed on if “tuning” can impact pricing, Juda said, “They can.” Juda’s testimony began on Tuesday and continued into Wednesday.

Juda said one thing that can be “tuned” is a rough formula that gives an ad a long-term value, or LTV, based on the bid given, the potential click-through rate or how many people will likely click on it and the quality of the advertisement and website associated with it.

Dahlquist asked Juda if they had introduced changes to ad sales in a way that raised the cost-per-click by a consumer that advertisers pay. “I believe that’s fair,” said Juda.

But Wendy Waszmer, a lawyer for Google, asked Juda on Wednesday afternoon if there were ways that his ads quality team could raise prices unilaterally. “No,” Juda responded.

Google’s advertising business has been criticized by advertisers and website publishers for a lack of transparency, with both accusing Google of siphoning off too much revenue.

The testimony on advertising is a change from previous testimony that has focused on the billions of dollars that Google has spent to keep its search engine the default on smartphones and other devices.

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