Keyphrases
High-income Countries
100%
Middle-income Countries
100%
Environmental Performance
100%
Innovation Performance
100%
Environmental Innovation
100%
Environmental Sustainable Development
44%
CO2 Emissions
33%
SO2 Emissions
33%
Environmental Improvement
22%
Carbon Dioxide (CO2) Emissions
11%
Generalized Method of Moments Estimation
11%
Sulfur Dioxide SO2
11%
Environmental Pollution
11%
Dynamic Panel Model
11%
Per Capita Income
11%
Environmental Challenges
11%
Trade Effects
11%
Technology Innovation
11%
Pollution Patterns
11%
System Generalized Method of Moments
11%
Inverted U-shape
11%
U-shaped Pattern
11%
Air Pollution Reduction
11%
Pollution Emission
11%
Environmental Technology Innovation
11%
Environmental Kuznets Curve
11%
Earth and Planetary Sciences
Carbon Dioxide Emission
100%
Environmental Impact Assessment
100%
Environmental Performance
100%
Emissions
25%
Air Pollution
25%
Sulphur Dioxide
25%
Environmental Pollution
25%
Panel Data
25%
Environmental Kuznets Curve
25%
Method of Moment
25%
Environmental Challenge
25%
Carbon Dioxide
25%
Environmental Technology
25%
Economics, Econometrics and Finance
Industrialized Countries
100%
Sustainable Development
50%
Environmental Sustainability
50%
Panel Study
25%
Trade Effect
25%
Environmental Kuznets Curve
25%