, it defines the greatest possible amount of production
can churn out at at maximum efficiency
. In textbooks it is usually depicted using an economy
with only 2 products, however, in reality, the visualization
has many dimensions, since no economy
produces only 2 goods
The PPF can be expanded by capital investment, advances in technology, or an increase in the workforce. Inefficiency does not reduce the PPF, it merely places it at a point below the frontier.