The author critically examines Functional Decision Theory (FDT), a decision-making framework popular within the Rationalist community but largely rejected by academic decision theorists. The piece argues that FDT is both underspecified and leads to implausible recommendations. It contrasts FDT with Causal Decision Theory (CDT) and Evidential Decision Theory (EDT), explaining that CDT focuses on the causal consequences of an action, EDT on the expected utility of an action, and FDT on the expected utility if the algorithm outputs a specific action. AI
IMPACT Critiques of decision theory frameworks like FDT may influence how AI agents are designed to make choices, potentially impacting future AI alignment and behavior.
RANK_REASON The item is an opinion piece critiquing a specific philosophical theory popular in a niche community, rather than a core AI release or significant industry event.
- Ben Levinstein
- Causal Decision Theory
- Evidential Decision Theory
- Functional Decision Theory
- LessWrong
- Will MacAskill
- Wolfgang Schwarz
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