POST 11 - Using the 4x3technique

GDI is the amount of goods and services produced in a year, or the value of everything made that year within the country.

where

• is consumption (may also be known as consumer spending) = a_c + b_c(Y − T),
• is Investment,
• is Government spending,
• is Net export,
  • is total exports, and
  • is total imports = a_m + b_m(Y − T).