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. 2021 Nov 10;7(11):e08350. doi: 10.1016/j.heliyon.2021.e08350

Table 2.

Descriptive statistics for macroeconomic variables by country groups.

Country group Mean
Standard deviation
Coefficient of variation
Mean
Standard deviation
Coefficient of variation
GDPP (US$) GDPPG (%)
High-income economies 33,883.30 14,074.80 0.42 2.31 3.33 1.44
Middle-income economies
8,907.95
6,016.82
0.68
2.14
4.55
2.12
IFI (points) BFI (points)

High-income economies 70.06 12.25 0.17 79.00 6.87 0.09
Middle-income economies
44.78
16.17
0.36
66.83
9.29
0.14
GII (points) FFI (points)

High-income economies 69.99 20.55 0.29 68.27 15.59 0.23
Middle-income economies
33.93
12.35
0.36
47.00
12.40
0.26
INF (%) FD (% of GDP)

High-income economies 0.05 0.22 4.35 2.01 4.95 2.46
Middle-income economies
0.24
1.15
4.88
1.48
3.72
2.51
DP (% of GDP) ERR (1–5)

High-income economies 55.64 35.68 0.64 1.94 1.10 0.57
Middle-income economies 46.91 29.37 0.63 2.14 1.19 0.56

Notes: GDPP, GDPPG, IFI, BFI, GII, FFI, INF, FD, DP, and EER stand for per capita GDP growth rate, investment freedom index, business freedom index, government integrity index, financial freedom index, inflation, fiscal deficit, public debt, and exchange rate regime, respectively.