Call for tenders: Study on how online marketplace design influences user behaviour

<span>Call for tenders: Study on how online marketplace design influences user behaviour</span> <span><span>Anonymous (not verified)</span></span> <span><time datetime="2026-08-18T11:13:53+02:00" title="Tuesday, August 18, 2026 - 11:13">Tue, 08/18/2026 - 11:13</time> </span> <div> <div class="cnt-thumbnail-media ecl-u-type-m cnt-content-wrapper"> <div class="cnt-teaser ecl-u-type-m ecl-u-mb-xl"> <ul class="ecl-unordered-list ecl-unordered-list--no-bullet ecl-u-mb-xl"> <li class="cnt-nr-item-metadata ecl-u-mt-l ecl-u-d-flex ecl-u-align-items-center ecl-unordered-list__item"> <span class="wt-icon--calendar ecl-icon ecl-icon--fluid ecl-icon--calendar" aria-hidden="true"></span>&nbsp; Opening: 17 August 2026 </li> <li class="cnt-nr-item-metadata ecl-u-mt-l ecl-u-d-flex ecl-u-align-items-center ecl-unordered-list__item"> <span class="wt-icon--calendar ecl-icon ecl-icon--fluid ecl-icon--calendar" aria-hidden="true"></span>&nbsp; Closing: 23 September 2026 </li> </ul> <p class="ecl-page-header-standardised__description">The study will explore users' interactions with features mandated by the Digital Services Act (DSA) on selected online marketplaces designated as Very Large Online Marketplaces (VLOMs).</p> </div> <div class="cnt-image cnt-media"> <div> <div class="ecl-media-container"><figure class="ecl-media-container__figure"><picture class="ecl-picture ecl-media-container__picture"><source><img class="ecl-media-container__media" src="https://digital-strategy.ec.europa.eu/sites/default/files/styles/newsroom_large/public/newsroom/items/DSA_variation_v1_g7WYt4mHKVLFacng5JDt682OqpY_243040.png?itok=ED8P5jbW" alt="Text &quot;Digital Services Act&quot; inside a white triangle inside a white triangle against a blue background."></picture></figure></div> </div> </div> <div class="cnt-main-body ecl-u-type-m"> <div class="ecl"><p>The study should cover user interaction with mechanisms under Article 16 (notice and action), Article 30(7) (trader information), and Article 31 (compliance by design) of the DSA.</p> <p>This report will be empirical in scope. It is intended to produce observational data on user behaviour and experience, rather than legal assessments or compliance determinations, which remain the exclusive responsibility of the European Commission. Results are expected to be presented per platform and not intended for cross-platform comparison or ranking.</p> <p>The study will include:</p> <ul> <li><strong>Data collection:</strong> gathering evidence and data on the real user interactions with DSA-mandated features on selected VLOMs, and proposing a methodology for the structured, comparable data collection and analysis.</li> <li><strong>Presentation of results:</strong> providing a structured presentation of the observational data collected, together with the supporting documentation, and a description of the methodology used.</li> </ul> <p>The 8-month contract has a maximum value of <strong>EUR 400 000</strong>.</p> <p>This call may be of particular interest to organisations with expertise in:</p> <ul> <li>user experience and behavioural research</li> <li>quantitative or mixed-methods research</li> <li>data analysis</li> <li>dataset development</li> </ul> <p>Interested organisations are invited to consult the tender documentation and submit their proposals. Any questions should be submitted via the dedicated platform.</p> <p><a href="https://ec.europa.eu/info/funding-tenders/opportunities/portal/screen/opportunities/tender-details/8683f6b8-ca69-485f-aad5-9848729b3c29-CN" class="ecl-link ecl-link--primary-highlight ecl-link--icon ecl-link--icon-after"><span class="text">Find more information and instructions on how to submit the tender</span></a></p></div> </div> <div class="cnt-aside ecl-u-type-m"> <aside class="ecl-u-height-100"> <h3>Related topics</h3> <a href="https://digital-strategy.ec.europa.eu/en/related-content?topic=150" class="ecl-tag ecl-u-mb-xs">Online platforms and e-commerce</a> <a href="https://digital-strategy.ec.europa.eu/en/related-content?topic=193" class="ecl-tag ecl-u-mb-xs">DSA - Digital Services Act</a> </aside> </div> <div class="cnt-bottom ecl-u-pv-xl"> <div class="ecl-u-mb-3xl"> </div> </div> </div> </div> <div class="layout layout--onecol"> <div class="layout__region layout__region--content"> <div class="cnt-last-update-block"> </div> <div class="cnt-print-pdf-block"> </div> </div> </div> <div class="node_view"></div>

Publication

European Commission - Shaping Europe's digital future · Government/Regulator

Published

18th August 2026

Original report

digital-strategy.ec.europa.eu

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