Limited competition in public procurement remains a persistent concern, yet the reasons for low participation are not well understood. We conduct a conjoint survey experiment that targets both potential and actual bidders in Finland. We present real firms with hypothetical tender scenarios,...

Background: Additive manufacturing (AM), commonly known as 3D printing, is transforming global production systems with sustainability at its core. The global AM market growth underscores the urgency of evaluating its environmental implications. Methods: This study aims to (1) identify Life Cycle...

We examine Swiss retail investors' willingness to pay (WTP) for sustainable finance products and the influence of bank advisor certification. In a hypothetical choice experiment with a randomized controlled trial (RCT), we assigned participants to either a priming treatment with a bank advisor...

Refugees' decisions to return after conflict carry significant political and economic implications for the origin and host countries. We examine how conflict resolution, security, economic conditions, and corruption influence return decisions. To estimate the causal effect of post-war...