Correlational finding on Happiness and subject: Change GDP in nation: economic growth/decline

StudyEasterlin (2016): study ZZ World samples 1981
TitleParadox Lost?
SourceIZA DP,2016, No. 9676, 1 - 36, California, USA
URLhttp://ftp.iza.org/dp9676.pdf
Public18+ aged general public in 58 nations, followed 1981-2010
SampleProbability multi-stage cluster sample
Non-Response
Respondents N =400000

Correlate
Author's labelAnnual growth rate of GDP/capita
Page in Source 25-28
Our classificationChange GDP in nation: economic growth/decline
Operationalization
% annual growth GDP percapita

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-SLW-c-sq-n-10-ab=+.00 p < .01
CHANGE GDP per capita by CHANGE AVERAGE happiness 
in nations

All 58 countries (209 nation/year observations)
b = +.01070 (01) unadjusted
b = +.00685 (01) adjusted
Set Image size:   

O-SLW-c-sq-n-10-ab=+.00 p < .76
43 nations: 15 growth only countries left out 
b = +.00097 (adjusted)
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O-SLW-c-sq-n-10-ab=+.00 ns
21 developed countries only (104 nation/year 
observations)
b = +.00508 (ns) unadjusted
b = +.00205 (ns) adjusted
O-SLW-c-sq-n-10-ab=+.00 ns
14 developing countries only (41 nation/year 
observations)
b = +.00185 (ns) unadjusted
b = +.00163 (ns) adjusted
O-SLW-c-sq-n-10-ab=-.00 ns
8 transition countries only (41 nation/year 
observations)
b = +.00421 (ns) unadjusted
b = +.00143 (ns) adjusted
O-SLW-c-sq-n-10-ab=
'Adjusted'' values based on corrections of average 
happiness for differnces in:
- labeling of scale extremes
- place of question in questionaire (after 
financial satisfaction or not)
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Appendix 1: Happiness measures used
CodeFull Text
O-SLW-c-sq-n-10-aSelfreport on single question:

All things considered, how satisfied are you with your life as-a-whole these days?
1 dissatisfied
2
3
4
5
6
7
8
9
10 satisfied


Appendix 2: Statistics used
SymbolExplanation
bREGRESSION COEFFICIENT (non-standardized) by LEAST SQUARES (OLS)
Type: test statistic
Measurement level: Correlate: metric, Happiness: metric
Theoretical range: unlimited

Meaning:
b > 0 A higher correlate level corresponds with a higher happiness rating on average.
B < 0 A higher correlate level corresponds with a lower happiness rating on average.
B = 0 Not any correlation with the relevant correlate.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl