In this simple economic model with a closed economy there are three uses for GDP, (the goods and services it produces in a year). If Y is national income (GDP), then the three uses of C consumption, I investment, and G government purchases can be expressed as:National savings can be thought of as the amount of remaining money that is not consumed, or spent by government.ational savings should be split into private savings and public savings. A new term, T is taxes paid by consumers that goes directly to the government as shown here: (Y-T) is disposable income. (Y-T) less consumption (C) is private savings.
Canada is not part of the USA but Canada has border with the United States; however, Canada is a total different country with its own regulations.
The United States of America (USA), commonly referred to as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major territories and various possessions. The 48 contiguous states and Washington, D.C. , are in central North America between Canada and Mexico.