In 2004, Warren and her daughter, Amelia Tyagi, wrote "". In the book they state that at that time, a fully employed worker earned less inflation-adjusted income than a fully employed worker had 30 years earlier. Although families spent less at that time on clothing, appliances, and other forms of consumption, the costs of core expenses such as mortgages, health care, transportation, and child care had increased dramatically. According to the authors, the result was that even families with two income earners were no longer able to save and incurred ever greater debt.