Productivity gains and work conditions in coercive labor markets: Experimental evidence from the Bangladesh brick sector - Grant Miller; Debashish Biswas; Aprajit Mahajan; Kimberly Singer Babiarz; Nina Brooks; Jessie Brunner; Sania Ashraf; Jack Shane; Alvise Scarabosio; Sameer Maithel; Shoeb Ahmed; Moogdho Mahzab; et al. (Proceedings of the National Academy of Sciences, 2026)