Tag
unobserved_heterogeneity
2 findings
Labour & employmentImmune Subpopulation in Unobserved HeterogeneityModel estimations consistently identified a distinct subpopulation of 1% to 2% 'immune' individuals exhibiting a zero exit rate from unemployment, whose separation was required to accurately identify policy impacts among the remaining population.RCTLabour & employmentMixed Proportional Hazard (MPH) ModelThe MPH framework isolated a 20% to 40% time-varying increase in unemployment escape rates attributable to the policy regime, preventing bias from a small sub-population (1-2%) of unobserved 'immune' individuals with zero exit probability.Expert Theory