Papal letters and self-government
| (1) | (2) | (3) | (4) | (5) | |
|---|---|---|---|---|---|
| Europe | Europe | Europe | Italy | Italy | |
| Sample outcome | Centuries of autonomy by 1200 | Centuries of autonomy by 1200 | Centuries of autonomy by 1200 | Years with autonomy by 1200 | Years with autonomy by 1200 |
| Letter | 0.493*** (0.079) | 0.297*** (0.077) | 0.211** (0.074) | 49.31*** (8.603) | 19.3* (7.476) |
| Controls | No | Yes | Yes | No | Yes |
| Polity in 1000 FE | No | No | Yes | NA | NA |
| Observations | 793 | 793 | 793 | 121 | 121 |
| (1) | (2) | (3) | (4) | (5) | |
|---|---|---|---|---|---|
| Europe | Europe | Europe | Italy | Italy | |
| Sample outcome | Centuries of autonomy by 1200 | Centuries of autonomy by 1200 | Centuries of autonomy by 1200 | Years with autonomy by 1200 | Years with autonomy by 1200 |
| Letter | 0.493*** (0.079) | 0.297*** (0.077) | 0.211** (0.074) | 49.31*** (8.603) | 19.3* (7.476) |
| Controls | No | Yes | Yes | No | Yes |
| Polity in 1000 | No | No | Yes | ||
| Observations | 793 | 793 | 793 | 121 | 121 |
Estimated using OLS; Robust standard errors in parentheses +p < 0.10, *p < 0.05, **p < 0.01, ***p < 0.001. Controls: sea and river access, elevation, ruggedness, soil quality, logged population size in 1000, urban potential in 1000, bishop in 1000, distance to Rome, connection to Roman road network, conflict exposure; (Italy only) Etruscan past, distance to the Brenner Pass. Table A5 in the Online Appendix presents the regression results with coefficients and standard errors for all controls included
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