| CIGEXP it = β0 + β1 AGE(36–55) it + β2 AGE(55+) it + β3 FEMALE i + β4 HIGH-INCOME it + β5 HIGH- EDUit + β6 EMPLOYED it + Σj β7j TIER itj + Σk β 8k CITY itk + Σl β 9l WAVE il + e it |
(2) |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.