Which of the Following Is Motivated by an Efficiency Concern

Multiple Choice

Which of the following is motivated by an efficiency concern?

A) In 2009,the Obama administration increased unemployment benefits.
B) As part of an economic stimulus package,each taxpayer received a $3,000 tax rebate check.
C) Following a six-month drought,a city banned homeowners from watering their lawns in an effort to conserve water.
D) Some U.S.colleges have cut back on merit scholarships since these programs siphon money from need-based programs,thus harming lower-income students with greater financial need.