Thus, the Alternative Scenario is better suited for analyzing the House Budget Proposal than the Extended Baseline. It provides a baseline reflecting a largely unreformed tax code and persistently worsening fiscal results stemming from the absence of any major budgetary or program reforms. 5 In short, the policy changes behind the Budget Resolution stand in very sharp contrast to an economic and fiscal world without reform. Center analysts introduced these microsimulation results into the . Macroeconomic Model that has been specially adapted to work with the Alternative Fiscal Scenario. Details on how this adaptation occurred are contained in Appendix 2.