The Survey of Consumer Finances (SCF) has a dual-frame sample design that supplements a standard area-probability frame with a sample of observations drawn from statistical records derived from tax returns. The tax-based frame is stratified on the basis of a "wealth index" constructed largely...

Credit related insurance and other debt protection are products sold in conjunction with credit that extinguish a consumer's debt or suspends its periodic payments if events like death, disability, or involuntary unemployment occur. High penetration rates observed in the 1950s and 1960s raised...