| 结论 |
The Authors Analyzed Data from a Three-Question Survey of an Internet-Based Sample of the U.S. Population- Approximately 90 percent of households have at least one mobile phone, 75 percent have fixed Internet service, 58 percent have mobile Internet service, and 49 percent have fixed telephone service. Approximately 8 percent of Americans participate in a reduced-price telephone program, such as the Lifeline program overseen by the FCC. Only 2 percent have none of the four services, while 93 percent have some form of telephone service, and 85 percent have some form of Internet service.
- Among those who have phones, about 48 percent are mobile only, 48 percent have both mobile and fixed telephone services, and the remainder (4 percent) have fixed phones only. Mobile phones thus appear to substitute for fixed telephone service for about half of the population. It is more likely for a household to have fixed telephone service for respondents who are older, female, wealthier, more highly educated, and who identify as Black/African American, all else equal.
- The authors identified four classes of preferences across the population. Two of the four classes (66 percent of the population) view mobile telephone service as most important and fixed telephone service as least important, while a third class (14 percent of the population) prioritizes Internet and mobile telephone service over fixed telephone service. The remaining class, approximately 20 percent of the population, views fixed telephone service as the most important (with mobile phones second). However, this group (which tends to be older, is less likely to be employed, and has lower incomes) still has a mobile phone adoption rate similar to the classes that prioritize mobile phones.
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