Published on August 23, 2025 1:45 PM GMT cross-posted from my blog Introduction We live in an era of unprecedented passport checks, visa quotas, and detention centers, a world that regulates human movement more tightly than at any other point in history. Some scholars and activists think we’ve gone too far; they think that this hyper-restriction is neither just, nor economically rational. One of these groups is Effective Altruism (EA), a social movement that aims to identify which intervent...