Institute for Fiscal Studies

Why isn’t hospital productivity growth bringing down the waiting list more quickly?

Productivity is rising rapidly in English hospitals, but this has not translated into large falls in waiting times.
Institute for Fiscal Studies

A primer on power and sample size calculations for randomisation inference with experimental data

This paper revisits the problem of power analysis and sample size calculations in randomised experiments.
Institute for Fiscal Studies

Designing and analysing powerful experiments: practical tips for applied researchers

This paper offers practical advice on increasing statistical power in randomised experiments via design, implementation and ...