Table 2 Estimated scaling parameters for socioeconomic outputs with population.

For the first analysis, the independent variable is the population of the political unit; for all others, the independent variable is the settlement population.

Dependent variableSamplePrefactor95% CIExponent95% CIr2
Civic mound volume/year48Y0 = 0.00210.0006–0.00701 + δ = 1.1771.028–1.3270.852
Domestic-mound area (m)80y0 = 168.693.3–304.8δ = 0.1900.083–0.2980.863
Y = m * N80Y0 = 168.693.3–304.81 + δ = 1.1901.083–1.2980.863
G = m * A/N80G0 = 28.7112.88–63.97γ = 0.037−0.108 to 0.1820.003