Anthropically, UDT suggests that a variant of SIA should be used.
Depending on your preferences about population ethics, and the version of the same issues applying to copies. E.g. if you are going to split into many copies, do you care about maximizing their total or their average welfare? The first choice will result in SIA-like decision making, while the latter will result in SSA-like decision making.
Depending on your preferences about population ethics, and the version of the same issues applying to copies. E.g. if you are going to split into many copies, do you care about maximizing their total or their average welfare? The first choice will result in SIA-like decision making, while the latter will result in SSA-like decision making.