The Conditioning Role of Institutional Quality in Climate Policy Effectiveness: Evidence from Environmental Taxation, Green Innovation, and Trade Openness in the E7 Economies
This study examines how institutional quality conditions the effectiveness of environmental taxation, green technology innovation, and trade openness in shaping CO2 emissions in the E7 economies during 2001-2023. The analysis applies a PMG-ARDL framework supported by cross-sectional-dependence diagnostics, second-gener...