National Standards for 'Prohibition Then; MADD Today**'
National Standard Number: 1
Productive resources are limited. Therefore, people can not have all the goods and services they want; as a result, they must choose some things and give up others.
National Standard Number: 2
Effective decision making requires comparing the additional costs of alternatives with the additional benefits. Most choices involve doing a little more or a little less of something: few choices are "all or nothing" decisions.
National Standard Number: 4
People respond predictably to positive and negative incentives.
