Study Helliwell et al. (2016): study ZZ 2012

Public

15+ aged, general public, 156 nations, 2005-2015

Survey name

INT-GallupWorldPoll2016

Sample

Respondents

N = 1560000

Non Response

Assessment

Multiple assesment methods

Correlate

Authors's Label

Perceptions of corruption

Our Classification

Remarks

Where data for the government are missing, the perception of business corruption is used as the overall corruption-perception measure.

Operationalization

Selfreport on 2 questions:
a. Is corruption widespread throughout the government or not?
b. Is corruption widespread within businesses or not?
1:  yes
0:  no

Observed Relation with Happiness