Study Altman et al. (2016): study ZZ OECD member states 1981

Public

18+ aged, general public, OECD member states, 1981-2008

Survey name

INT-WVS: combined waves

Sample

Respondents

N = 63046

Non Response

Assessment

Interview: face-to-face

Correlate

Authors's Label

Centripetal Democracy

Our Classification

Remarks

Source: John Gerring et al. (2005)

Distribution

0-6 Mean 3,75  SD  1.88

Operationalization

Total score for Parliamentary B, Proportional Representation B and Unitary B.

Parliamentary B.
0: Direct Presidential System
1: Semi-Presidential System
2: Parliamentary System

Proportional Representation B.
0: Majoritarian or Preferential Vote
1: Mixed Member Majority or block vote
2: Closed List Proportional Representation

Unitary B.
0: Genuine Federal Systems
1: Semi-Federal Systems
2: Nonfederal Systems

Operationalization 1:
Score in year (current)

Operationalization 2:
Cumulative score since 1981

Observed Relation with Happiness