填空题
These measures rely on self-reported data (either {{U}}by{{/U}} government agencies or individuals), which is likely to introduce {{U}}measure error{{/U}} if, for example, people (or agencies) are not willing to admit they take or pay bribes, or they {{U}}inflate{{/U}} their perceptions of corruption {{U}}in response to{{/U}} their partisanship.
A. by
B. measure error
C. inflate
D. in response to