1. Migration & Economic Impact | Effects of reduced migration on US labor supply, job vacancies, business creation, and sectoral employment. 2. Production Possibility Curve (PPC) & Labor Force Changes | Impact of migration restrictions and worker retirements on US productive potential using PPC analysis. 3. Wage Differences & Labor Market Theory | Factors influencing higher wages for migrant workers in high-tech industries compared to hospitality, including skill level and productivity. 4. Macroeconomic Effects of Migration Reversal | Evaluating how returning to pre-2019 migration levels could affect GDP growth, employment, inflation, and economic performance. 5. Marginal Utility & Demand Theory | Assessing whether marginal utility theory fully explains the relationship between price changes and quantity demanded. 6. Privatisation & Resource Allocation | Analyzing the IMF and World Bank′s role in privatization and evaluating its effectiveness in improving resource allocation.