6e629771__S__Bureau_of_Labor_Statistics__option_and_redesign_objective_Design_option
[Impact on data quality] Beneficial. Study indicated only 60 percent of categories are correctly reported by proxy. Individual diary placement resulted in a significant increase in amount and number of expenditures reported. [Impact on respondent burden] Harmful. Most studies have indicated lower response rates resulting from individual diary placement, which suggests a perception of increased burden. [Impact on cost] Cost increase. Study found that placement costs for individual diaries might increase substantially because of a greater number of contact visits associated with this design. [Design option] 
Reduce proxy reporting
Research highlights of the Consumer Expenditure Survey redesign : Monthly Labor Review: U.S. Bureau of Labor Statistics
Design option