Table C.1.
Descriptive Statistics – Means and Standard Deviations
| Obs. | Mean | S.D. | Min. | Max. | |
|---|---|---|---|---|---|
| Log Population Density in 1500 CE | 184 | 0.883 | 1.424 | −3.817 | 4.135 |
| Log Population Density in 1000 CE | 177 | 0.449 | 1.366 | −4.510 | 3.442 |
| Log Population Density in 1 CE | 155 | −0.163 | 1.455 | −4.510 | 3.170 |
| Log Income per Capita in 1500 CE | 31 | 6.343 | 0.260 | 5.991 | 7.003 |
| Log Income per Capita in 1000 CE | 28 | 6.084 | 0.141 | 5.991 | 6.477 |
| Log Income per Capita in 1 CE | 30 | 6.129 | 0.163 | 5.991 | 6.696 |
| Log Years since Neolithic Transition | 164 | 8.313 | 0.642 | 5.892 | 9.259 |
| Log Technology Index in 1000 CE | 149 | 0.573 | 0.160 | 0.118 | 0.693 |
| Log Technology Index in 1 CE | 149 | 0.529 | 0.163 | 0.061 | 0.693 |
| Log Land Productivity | 158 | 0.000 | 1.293 | −4.815 | 1.657 |
| Log Absolute Latitude | 205 | 2.913 | 0.967 | −0.693 | 4.277 |
| Mean Distance to Nearest Coast or River | 160 | 0.342 | 0.471 | 0.008 | 2.386 |
| Percentage of Land within 100 km of Coast or River | 160 | 0.463 | 0.375 | 0.000 | 1.000 |
| Log Distance to Frontier | 207 | 7.499 | 1.435 | 0.000 | 9.288 |
| Percentage of Land in Temperate Zones | 160 | 0.297 | 0.420 | 0.000 | 1.000 |
| Percentage of Land in (Sub)Tropical Zones | 160 | 0.364 | 0.433 | 0.000 | 1.000 |