|          | 
      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.  |