ITN framework

The importance, tractability and neglectedness framework, or ITN framework for short, is a framework for estimating the value of allocating marginal resources to solving a problem based on its importance, tractability, and neglectedness.

Further reading

80,000 Hours. 2016a. How to compare global problems in terms of potential for impact.
Original presentation of their framework. Note that they use 'scale' instead of 'importance' and 'solvability' instead of 'tractability'.

80,000 Hours. 2016b. A list of all our profiles on global problems.
A set of applications of the framework.

Dickens, Michael. 2016. Evaluation frameworks, or when importance / neglectedness / tractability doesn't apply.
A criticism of this framework.