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- Percentage unemployment to a step increase in minimum wage.
- Total university enrolment to an increase in tuition.
- Consumption of tobacco to a step increase in the sales tax on
tobacco products.
- Number of prey animals (e.g. deer) to a change in the number of
predators (e.g. wolves)
- Concentration of ozone depleting gases (CFC's) to an immediate
cessation of commercial production of these gases.
- Blood alcohol concentration of a person to rapid consumption of 4 oz. of
alcohol.
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