Although industrialized nations have long provided public protection to working-age individuals with disabilities, the form has changed over time. The impetus for change has been multi-faceted: rapid growth in program costs; greater awareness that people with impairments are able and willing to...

The promise of empirical evidence to inform policy makers about their population’s health, wealth, employment and economic well being has propelled governments to invest in the harmonization of country specific micro data over the last 25 years. We review the major data harmonization projects...