1. ZEW Discussion Paper Nr. 26-030 // 2026

    When Goliath Shares with David: The Effects of Asymmetry on Collaboration

    Partners in R&D alliances and joint ventures are rarely symmetric, yet whether asymmetry helps or hurts collaboration is not fully understood. We study how asymmetry in competitors’ information endowments…

  2. ZEW policy brief Nr. 26-12 // 2026

    Innovative junge Unternehmen in den Beschaffungsmarkt holen: das Potenzial kriterienbasierter Vergaben

    Die Stärkung privater Innovationsaktivität gilt als zentrale Voraussetzung für die langfristige Wettbewerbsfähigkeit Deutschlands und Europas. Öffentliche Beschaffung ist dafür ein bislang unterschätztes…

  3. ZEW Discussion Paper Nr. 26-029 // 2026

    Does Public Procurement Select (Real) Outsider Innovation? The Interplay Between Tender Design and Supplier Experience

    Public organizations rely on open innovation to maintain and improve public service performance. Suppliers are a key source of such innovation. Public contracting authorities act as the interface between public…

  4. ZEW Discussion Paper Nr. 26-027 // 2026

    More Is Not Always Better: An Economic Assessment of the EU's Anti-Avoidance Tax Framework

    Over the past decade, the European Union has built a comprehensive supranational framework to combat corporate tax avoidance. This article provides the first integrated assessment of the EU's post-2015…

  5. ZEW Discussion Paper Nr. 26-026 // 2026

    Does Tightening the Duration of Temporary Contracts Cost Jobs? Evidence from Germany

    Many countries limit how long a worker may be kept on a temporary contract, yet little is known about how firms and workers respond when this maximum duration is tightened. Does a shorter cap simply displace…