Final answer:
Unemployment is caused by structural inadequacies in the economic system, not laziness, according to Keynesian economics.
Explanation:
Unemployment is primarily a result of structural inadequacies within the economic system, not laziness. During a recession, government intervention through fiscal and monetary policies is necessary to stimulate economic growth. Keynesian economists emphasize that unemployment is a public issue caused by the lack of opportunity rather than a personal trouble.
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