... a political science journal 0.15 0.35 0.18 0.39 BV: Binary Variable. 5.2.1. Explanatory variables Table 2 lists the variables used in the MRA, together with the means and standard deviations ... Human Capital, Physical Capital, Ecofreedom, Inequality, Instability, Govt Size, Openness and Inflation. Human and physical capital are particularly important, because as noted earlier, they are ... rather than a single value (Hunter and Schmidt 2004). The remaining variance may be due to real factors that cause the democracy-growth association to vary from situation to situation. Alternatively,...