The production possibility frontier will shift outward because of:

A) a decrease in the labor force.
B) an increase in infrastructure spending.
C) better technology that improves worker productivity.
D) a decrease in the unemployment rate.

Infrastructure Spending

Expenditure on fundamental physical systems and facilities, such as transportation, water supply, and energy, to support societal functions and economic growth.

Worker Productivity

Worker productivity measures the output of goods and services generated per unit of labor input, such as per labor hour.