Three findings
Each finding is a self-contained briefing — five minutes on a phone, with the full workings underneath.
Not investible as a pure-profit business
The proponent's 27% return collapses under megaproject cost overruns, operational risk and an uninsurable frontier. The commercial case doesn't clear on its own terms.
Read the market case →Governments lose more than they gain
Seabed supply depresses the prices of cobalt, nickel, copper and manganese mined in dozens of countries — destroying more mining tax revenue than the seabed regime collects.
Read the treasury case →No corporate income tax
Sponsor state profit-based revenues are more fragile than ISA royalties, arrive later, and are worth less.
Read the sponsor-state case →the full Discussion Paper
The complete financial analysis — methodology, models and sources — publishes here on launch day. Documentation and models are collected in the DSM library.