Table 1 Descriptive Summary and Data Description.

From: FDI, industrialisation and environmental quality in SSA—the role of institutional quality towards environmental sustainability

Variable

Measurement

Source

Obs

Mean

SD

Min

Max

Environmental quality

The log of carbon dioxide emissions (metric tons per capita)

WDI

900

−1.038

1.392

−4.116

2.458

FDI

Foreign direct investment, net inflows (% GDP)

WDI

900

3.996

4.13

0.002

16.322

Industrialisation

Industry (including construction), value added (annual % growth)

WDI

900

3.288

7.194

−14.557

13.446

Energy consumption

The log of total energy consumption (Btu)

EIA

900

31.391

1.6

27.56

36.284

Institutional quality

PCA output from 6 institutional quality indicators

Author

900

0.013

2.18

−3.338

5.290

Population density

People per square kilometre of land area

WDI

900

3.584

0.461

2.11

4.497

Economic growth

The log of real GDP growth (constant US$, 2015)

WDI

900

7.122

0.964

5.864

9.581

Economic growth Squared

Squared of the log of real GDP growth (constant US$, 2015)

Author

900

51.653

14.510

34.388

91.801

  1. Note: WDI denotes the World Development Indicators; EIA represents the Energy Information Administration. This table presents the descriptive statistics of the variables used in the empirical investigations.
  2. Source: Authors’ Computation from Research Data, 2024.