Table 1.
Descriptive Statistics for WDI and Correlates of War Data, 1965–2009
| Variable | Mean | SD | Min | Max |
|---|---|---|---|---|
| Total fertility rate | 4.0 | 2.0 | 1.1 | 9.2 |
| Absolute TFR difference | 2.1 | 1.6 | 0.0 | 7.9 |
| Bilateral trade | 0.0 | 0.0 | 0.0 | 1.0 |
| Rich | 0.2 | 0.4 | 0.0 | 1.0 |
| Common market | 0.0 | 0.1 | 0.0 | 1.0 |
| Free trade agreement (FTA) | 0.0 | 0.1 | 0.0 | 1.0 |
| Monetary union | 0.0 | 0.1 | 0.0 | 1.0 |
| World Bank | 0.8 | 0.4 | 0.0 | 1.0 |
| UN | 0.9 | 0.2 | 0.0 | 1.0 |
| WHO | 1.0 | 0.2 | 0.0 | 1.0 |
| IMF | 0.9 | 0.3 | 0.0 | 1.0 |
| UNESCO | 0.9 | 0.3 | 0.0 | 1.0 |
| WTO | 0.9 | 0.4 | 0.0 | 1.0 |
| GDP per capita (constant 2000 US$) | 6136.6 | 8800.2 | 57.8 | 108111.2 |
| Trade openness (trade as % of GDP) | 74.4 | 47.0 | 0.2 | 445.9 |
Note: All summary statistics not pertaining to the dyad refer to country i within dyad i, j, except for “Rich,” which refers to country j.