Y = C I G (XM) National income with government interference From the national income, some will be used for consumption, saving, and other's used for paying taxes With adding of variable taxes on national income, then the formula is Y = C S T To see the balance of national income with the adding of government spending and tax Y = C I G (X – M) Those who have taken economics courses may remember the equation above, which lists the components of GDP GDP (Y) is the combination of consumption , investment (I), government spending (G), and net exports (exports (X) less imports (M)) The recovery that began in 09 in the United States has been tepid relative Dr Petrucci is a boardcertified physician who specializes in orthopedic surgery and joint replacement Using stateoftheart techniques and leadingedge technology, Dr Petrucci specializes in treating individuals experiencing musculoskeletal and joint dysfunction or injuries, and specializes in knee and hip conditions If X 3 2x 2y 2 5x Y ...