There have been many tests of the convergence hypothesis yielding many different estimates of β (the speed of convergence). Narrative reviews of the convergence literature hint at possible reasons for the study-to-study variation in the value of β, but such reviews are selective and informal....

There have been many tests of the convergence hypothesis yielding many different estimates of B (the speed of convergence). Narrative reviews of the convergence literature hint at possible reasons for the study-to-study variation in the value of B, but such reviews are selective and informal. In...