| Country | No. of Obs. |
|---|---|
| Australia | 2 |
| Belgium | 2 |
| Czech Repub. | 1 |
| Denmark | 2 |
| Finland | 2 |
| France | 2 |
| Germany | 2 |
| Greece | 1 |
| Hungary | 1 |
| Ireland | 2 |
| Israel | 1 |
| Netherlands | 2 |
| New Zealand | 2 |
| Norway | 2 |
| Poland | 2 |
| Portugal | 2 |
| Russia | 2 |
| Spain | 2 |
| Sweden | 2 |
| Switzerland | 2 |
| Great Britain | 2 |
| United States | 2 |
| Total | 40 |
Note. All multilevel models are estimated initially using this sample. Number of observations/groups per country in final models is determined by listwise availability of policy variables and demographic covariates and also by exclusion of influential policy observations.