1. How many employers could be affected by the Cadillac plan tax? Author(s): Claxton, Gary, authorLevitt, Larry, author Publication: Menlo Park, CA : Henry J. Kaiser Family Foundation, August 2015 Subject(s): Costs and Cost AnalysisHealth Benefit Plans, Employee -- economicsHealth Benefit Plans, Employee -- legislation & jurisprudenceTaxes -- economicsTaxes -- legislation & jurisprudenceUnited StatesUnited States.