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Before tuberculosis was understood to be a communicable disease, and before the discovery of antibiotics to treat it, a major outbreak could kill or cripple a significant portion of a nation’s labor force. how would such an event affect the economy? illustrate the effect by dragging to shift either the aggregate demand curve or the long-run aggregate supply curve.

Insurance premiums paid be the employer on the employees behalf are a benefit. true or false

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?