Navigating Asia's sustainable growth trajectory: a cross-regional comparative analysis

This study examined the green total factor productivity (GTFP), technical progress change (GTC), and technical efficiency change (GEC) trajectories across 39 Asian countries from 2006 to 2021. GTFP was assessed across five Asian regions using the global Malmquist-Luenberger (GML) index with a slacks-based measure model and directional distance function. The results of the study show that West Asia, with a mean GTFP value of 1.0011, is ahead of Southeast Asia and South Asia, while Central and East Asia show room for improvement. Gini index analysis further shows that GTFP varies significantly within and outside the region, with large fluctuations especially in Southeast Asia and South Asia. GTC stagnated significantly in 2009 and 2015, indicating a bottleneck in technological progress, while GEC showed a positive upward trend, reflecting the improvement in resource efficiency. The 'decoupling' of GTC and GEC highlights the inconsistency between efficiency growth and the pace of technological progress, particularly in East and Central Asia. In 2021, Asia's average GTFP reaches 1.0048, signaling the region's progress towards sustainable productivity. This study provides important theoretical and practical implications by quantifying the regional differences in GTFP, GTC, and GEC, which provide a quantitative basis and decision-making reference for the formulation of green development policies in the Asian region.