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. Author manuscript; available in PMC: 2014 Sep 23.
Published in final edited form as: Am Econ Rev. 2012 Jun;102(4):1508–1539. doi: 10.1257/aer.102.4.1508

Table 2b.

Linguistic Fractionalization Across Countries

VARIABLES (1) (2) (3) (4) (5) (6) (7)
ELF ELF ELF ELF3 ELF5 ELF7 ELF9
Variation in Elevation −0.111 (0.124) 0.363** (0.142) 0.356** (0.169) 0.472*** (0.160) 0.426*** (0.149) 0.413*** (0.156)
Variation in Climatic Suitability 0.294*** (0.094) 0.231*** (0.084) 0.291*** (0.103) 0.293*** (0.103) 0.215** (0.086) 0.156* (0.089)
Mean Elevation 0.093 (0.127) −0.301** (0.148) −0.352** (0.171) −0.475*** (0.169) −0.462*** (0.166) −0.367** (0.167)
Mean Climatic Suitability 0.053 (0.083) 0.218** (0.108) −0.141 (0.128) −0.062 (0.121) −0.213** (0.108) −0.024 (0.110)
Absolute Latitude −0.369*** (0.080) −0.434*** (0.081) −0.397 (0.331) −0.116 (0.358) −0.185 (0.326) −0.064 (0.295) −0.124 (0.311)
Mean Precipitation 0.180 (0.151) 0.455*** (0.174) 0.404** (0.167) 0.487*** (0.142) 0.375*** (0.140)
Mean Temperature −0.030 (0.266) 0.248 (0.296) 0.181 (0.281) 0.316 (0.274) 0.302 (0.280)
Ln(Area) 0.030 (0.125) −0.247* (0.146) −0.186 (0.153) −0.174 (0.132) −0.015 (0.130)
Distance from the Sea 0.281*** (0.086) 0.452*** (0.118) 0.414*** (0.109) 0.326*** (0.098) 0.229** (0.093)
Migratory Distance from East Africa −0.122 (0.256) −0.535* (0.289) −0.280 (0.296) −0.359 (0.287) −0.540* (0.287)
Ln(Population Density in 1995) −0.022 (0.103) −0.093 (0.141) 0.006 (0.141) 0.007 (0.137) −0.090 (0.132)
Ln(Population Density in 1500) −0.268** (0.123) −0.239* (0.144) −0.214 (0.150) −0.211 (0.135) −0.166 (0.137)
Year of Independence 0.146 (0.096) 0.058 (0.122) 0.111 (0.118) 0.061 (0.108) 0.046 (0.104)
Timing of Transition to Agriculture −0.080 (0.131) 0.154 (0.168) 0.196 (0.155) 0.338** (0.135) 0.155 (0.135)

Continental FE N N Y Y Y Y Y
Observations 143 143 143 143 143 143 143
R2 0.14 0.20 0.53 0.32 0.35 0.44 0.48

Standardized beta coefficients reported, with robust standard errors in parentheses.

***

p < 0.01,

**

p < 0.05,

*

p < 0.1; See web Appendix for variables’ sources and definitions.