Professor for Applied Statistics, Freie Universität Berlin; co-editor @jcre.bsky.social; education and health economist; table tennis player http://janmarcus.dehttps://bsky.app/profile/janmarcus.dehttps://bsky.app/profile/janmarcus.de/post/3mty5p3t7kc2wCheck out this new paper in @jcre.bsky.social ! [contains quote post or other embedded content]26 Aug 2026 10:45 +0000at://did:plc:brwwcrcmtcwl2nv7fu2ujvou/app.bsky.feed.post/3mty5p3t7kc2whttps://bsky.app/profile/janmarcus.de/post/3ms63a4465c2t🚨🚨🚨 Call for submissions for the first special issue of @jcre.bsky.social Anyone can submit replications on the topic of payments for ecosystem services. Details below 👇 [contains quote post or other embedded content]03 Aug 2026 08:26 +0000at://did:plc:brwwcrcmtcwl2nv7fu2ujvou/app.bsky.feed.post/3ms63a4465c2thttps://bsky.app/profile/janmarcus.de/post/3mrercpnne22bThis year I joined the editorial team of @jcre.bsky.social, the Journal of Comments and Replications in Economics (JCRE) as a Co-Editor. I'm especially happy that the first submission I handled from start to finish has now been published—together with a reply from the original authors. [contains quote post or other embedded content]24 Jul 2026 06:52 +0000at://did:plc:brwwcrcmtcwl2nv7fu2ujvou/app.bsky.feed.post/3mrercpnne22bhttps://bsky.app/profile/janmarcus.de/post/3mqjk36swsk2xLooking forward to have you at FU, Kamila @cyganrehm.bsky.social! [contains quote post or other embedded content]13 Jul 2026 11:01 +0000at://did:plc:brwwcrcmtcwl2nv7fu2ujvou/app.bsky.feed.post/3mqjk36swsk2xhttps://bsky.app/profile/janmarcus.de/post/3mpgojfvfgc2rLooking forward to having @jrgptrs.bsky.social in our research seminar this Thursday! Feel free to join. 12.15 Boltzmannstraße 20. [contains quote post or other embedded content]29 Jun 2026 14:17 +0000at://did:plc:brwwcrcmtcwl2nv7fu2ujvou/app.bsky.feed.post/3mpgojfvfgc2rhttps://bsky.app/profile/janmarcus.de/post/3mod4peiizc22Es hat mir viel Spaß gemacht meine Erfahrungen mit der Co-Organisation der Berlin Replication Games 2025 im Podcast von @zbw-leibniz.bsky.social mit #DoreenSiegfried zu teilen. Replication Games zeigen, wie wertvoll gemeinsames Arbeiten an Replikationen und Reproduktionen sein kann! [contains quote post or other embedded content]15 Jun 2026 10:55 +0000at://did:plc:brwwcrcmtcwl2nv7fu2ujvou/app.bsky.feed.post/3mod4peiizc22https://bsky.app/profile/janmarcus.de/post/3mj5q5fwabs2dLooking forward to teaching this @gesistraining.bsky.social course next year on Feb 16-17. (Registration) details below 👇 [contains quote post or other embedded content]10 Apr 2026 16:21 +0000at://did:plc:brwwcrcmtcwl2nv7fu2ujvou/app.bsky.feed.post/3mj5q5fwabs2dhttps://bsky.app/profile/janmarcus.de/post/3miinl4dptk2vIt was great fun participating in this important mega-reproduction initiative led by @i4replication.bsky.social! [contains quote post or other embedded content]02 Apr 2026 07:09 +0000at://did:plc:brwwcrcmtcwl2nv7fu2ujvou/app.bsky.feed.post/3miinl4dptk2v