![]() Several industry studies have tried to explore this issue previously. The amount that DSPs and SSPs charge to advertisers and publishers is not totally transparent. In addition, the media buyer may elect to pay fees for audience data, brand safety, or measurement. It then pays a fee to the DSP, which takes a fee from the SSP or ad exchange, which in turn takes a fee from the publisher (in the form of a revenue share). Generalizing for the sake of simplicity, if a media buyer bids more than other advertisers bid for that ad slot, it will win the ad auction (similar to how art auctions are run by Sotheby's and Christie's). Media buyers who work on behalf of agencies or brands place bids to try to win the opportunity to render their ad on the consumer’s computer, phone, or connected TV. When a reader visits a website, the website will communicate with several Supply-side platforms (SSPs) that aggregate ad inventory from many different publishers, ranging from tiny blogs to 100+ year old national papers-of-record.These SSPs will present information about the ad auction to a number of Demand-side platform (DSPs), which are used by media agencies or brands to bid and purchase ads across large swathes of inventory. In a present-day, 1st price ad auction, there is a sequence of events that take place. SSPs have different supply fees for different publishers.Some ad exchanges appear to have highly variable supply fees.A significant but variable proportion of media buyer’s spend goes to vendors not publishers.Possible methodologies for analyzing supply fees.Some SSPs appear to subsidize individual ad impressions this may be done to improve their aggregate win rates so that they appear more effective (to either the publisher or the advertiser).For example, it was observed that publishers with niche but high value audiences (such as pharmaceutical executives or Congressional staffers) were being charged higher SSP fees than a clickbait, ‘ made-for-advertising’ site that auto-refreshes ad slots and employs other questionable tactics SSP fees vary by publisher and do not appear to correlate with the quality of the publication or audience.SSPs with non-standard native or proprietary ad unit formats can have especially high supply fees.For some impressions, DSPs and SSPs receive up to 98% of a media buyer’s bid with the publisher receiving only ~2% of of the advertiser’s spend bid.In some cases, even when controlling for media buyer (advertiser), supply path, and publisher domain, the revenue share of these middlemen can vary by up to 80% (e.g, 5% fee on one ad impression, 85% fee on another ad impression) There is a high level of variability in the supply fees charged by SSPs and DSPs, on a per impression basis.This study discusses the following empirical observations: This preliminary Adalytics study on programmatic media supply chain fees reproduces and builds upon several previous industry studies. ![]() How much do these ad tech intermediaries charge for the service of connecting advertisers with digital publishers? Digital advertising has a virtual “supply chain” of Supply Side Platforms (SSPs) that work with publishers, and Demand Side Platforms (DSPs), which aggregate ad buying demand from media agencies and brands. However, even the placement of digital ads itself has marginal costs associated with it. ![]() Showing digital ads on websites allows the content producers to monetize their work without charging subscriptions or receiving grants. Many creators recoup the costs of media production primarily through digital advertising. Even for individual bloggers, many hours of labor are required to create posts on travel itineraries or cooking recipe ideas. When an organization such as The New York Times or Wall Street Journal publishes an article, it is the result of many hours of labor by journalists, fact checkers, editors, photographers, software engineers, and many other contributors. The American Prospect, a political news magazine, estimates that it costs $1965.58 to produce an average story. High quality journalism is expensive to produce. ![]()
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