Most countries reduce Disability Insurance (DI) benefits for beneficiaries earning above a specified threshold. Such an earnings threshold generates a discontinuous increase in tax liability - a notch - and creates an incentive to keep earnings below the threshold. Exploiting such a notch in...

Most countries reduce Disability Insurance (DI) benefits for beneficiaries earning above a specified threshold. Such an earnings threshold generates a discontinuous increase in tax liability--a notch--and creates an incentive to keep earnings below the threshold. Exploiting such a notch in...

Most countries reduce Disability Insurance (DI) benefits for beneficiaries earning above a specified threshold. Such an earnings threshold generates a discontinuous increase in tax liability – a notch – and creates an incentive to keep earnings below the threshold. Exploiting such a notch in...

Most countries reduce Disability Insurance (DI) benefits for beneficiaries earning above a specified threshold. Such an earnings threshold generates a discontinuous increase in tax liability—a notch—and creates an incentive to keep earnings below the threshold. Exploiting such a notch in...