All variables are for individuals of all ages, except for Married, which is for individuals 18 or older, Education, which is for individuals 25 or older, and age, which is for individuals 20 or older.
* The estimate of the number of married people who are 18 or older was obtained by taking the number of people married over 15 and assuming that the number of people were married at ages 15, 16, and 17 were zero – this gives the percentage of people who are married who are 18 or older.
** The years of schooling was estimated by placing a value of 8 for those who have not completed 9th grade, 10.5 for those who have not completed high school, 12 for those who have completed high school but have had no college, 13.5 for those with some college but no degree, 14 for those with an associate’s degree, 16 for those with a bachelor’s degree, and 18 for those with a graduate or professional degree.
Appendix Table 2. Probit model: Tortilla Chips – Dependent variable = 1 if a consumer is out of the market for tortilla chips (i.e. bid = 0)