Simulation Tool to Explore Tax Compliance Behavior -- 5.1 Introduction -- 5.2 Model Description -- 5.2.1 Purpose -- 5 … and Calibration -- 7.3 Hypothetical Simulation: Size of the "Gig" Economy and Taxpayer Compliance -- 7.4 Conclusion and …9.3 Scenarios, Simulation Results, and Discussion -- 9.3.1 Age Heterogeneity and Social Norm Updating -- 9.3.2 Public …