|**Cluster**|no|na|na|yes|yes|na|na|na|yes|yes|
|---|---|---|---|---|---|---|---|---|---|---|
|<br>**Robust**|no|na|na|yes|na|yes|yes|yes|yes|na|
|**Year/Wave**<br>**fe**|no|no|no|yes|yes|yes<br>(waves)|yes|yes|yes|no|
|**Country/regi**<br>**on fe**|na|no|no|yes (region)|yes (region)|yes|yes|yes|no|yes|
|**Other income**<br>**variables**|Absolute income,<br>relative income|Household income<br>category|GDP per capita|Disposable income<br>(log), disposable<br>income position<br>(quintiles), pre-<br>government income<br>(log), public transfers,<br>income taxes (percent),<br>payroll taxes (percent).|Income and income<br>ref.group|Income, relative income|Household Income<br>scale|Household Income<br>scale|Lagged individual<br>income, household<br>income|Wealth and Aver.<br>Country wealth|
|**Happiness-Inequality**<br>**relation**<br>|<br>Society with lower<br>income inequality has<br>higher happiness|Max negative and signif,<br>skew positive and signif.<br>Min non signif. 20th pc<br>positive and signif., 80th<br>pc negative and signif.<br>(Table 2)|Positive and significant<br>in sixe countries,<br>negative and significant<br>in 1 country and non<br>significant in one<br>country (Table 4)|Gini negative and<br>significant in all<br>equations (ordered logit,<br>pooled, fe, Table 4)<br>Effect explained by 1st,<br>2nd and 5th quintile<br>(Table 5)|Gini in GHQ and Lifesat<br>equations positive and<br>significant also for<br>subgroups with ordered<br>probit (Table 1). Gini<br>positive and signif. only<br>in lifesat equation and<br>not for all subroups or<br>estimation model in<br>panel equations (Table<br>2)|Gini non significant<br>(results not in tables but<br>quoted in text)<br>|Gini negative and<br>significant in 6 of 13 of<br>equations (Tables 1-3-<br>US)|Gini negative and<br>significant in 7 of 13<br>equations (Tables 1-3-<br>EU)|.<br>Gini non significant at<br>all levels. StarkH non<br>significant at all levels.<br>StarkL positive and<br>significant only at PSU<br>level (Text and Table<br>11).|Gini non significant<br>(Description of results in<br>text but not in tables).|
|**Inequality variable**|Comparison of an equal<br>and unequal society|Max and min income,<br>skewness, 20th and<br>80th percentiles|Gini|Gini (regional)|Gini (reference group)|Gini (World Bank)|Gini (Wu et al 2002)|Gini (Deninger and<br>Squire 1996 for EU)|Gini and Stark indices<br>of income overhang<br>(national, regional and<br>PSU level)|Gini|
|**Happiness variable**|Happiness and Life<br>satisfaction|Happiness|Life satisfaction|Life satisfaction|GHQ-12 and Life<br>satisfaction|Life satisfaction|Happiness|Happiness|Life satisfaction|Life satisfaction|
|**Model**|na|OLS|OLS|Ordered Probit and OLS|Ordered probit,<br>conditional fe logit and<br>re probit|Oredered Probit|Ordered logit|Ordered logit|Ordered probit|Ordered Logit|
|**Data**|Ad-hoc questionnaire in<br>two villages in Israel|US-GSS 1989-1996|8 countries study 1972-<br>1994|GSOEP 1985-1998<br>|BHPS 1991-2002<br>(Employed)|WVS ( 1980 – 1982,<br>1990 – 1991, and 1995<br>– 1997 waves)|US-GSS 1972-1997|EU Eurobarometer<br>1975-1992|RLMS 1994-2000|Latinobarometro 2004,<br>17 LAM countries|
|**Study**|Morawetz et al., 1977|Hagerty 2000|Hagerty 2000|Schwarze and Harpfer,<br>2002|Clark, 2003|Helliwell, 2003|Alesina et al. 2004|Alesina et al. 2004|Senik, 2004|Graham and Felton,<br>2006|

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