Final answer:
Events such as epidemics and mass migration of skilled workers can lead to a PPC shift left, while initiatives like sponsoring education and building infrastructure can result in a PPC shift right.
Explanation:
PPC Shifts Left: An epidemic wipes out one-third of the country's population and
educated and skilled workers begin migrating to other countries on a large scale indicate a decrease in available resources causing the PPC to shift left.
PPC Shifts Right: Private businesses sponsoring college education for low-income students and the government building an extensive network of highways to facilitate cargo transportation represent advancements in education and infrastructure, increasing productivity and causing the PPC to shift right.
Learn more about Production Possibility Curve (PPC) shifts here:
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