Decision theory is concerned with identifying principles and algorithms for making the correct decisions -- that is, decisions that allow an agent to achieve better outcomes according to its stated goals. Decision theory is a more formal counterpart of instrumental rationality.
Specific decision theories
- Causal decision theory
- Evidential decision theory
- Timeless decision theory
The limitations and pathologies of decision theories can be analyzed by considering the decisions they suggest in the certain idealized situations that stretch the limits of decision theory's applicability. Some of the thought experiments more frequently discussed on LW include: