Examining the Threshold Effect of Environmental Regulation: The Impact of Agricultural Product Trade Openness on Agricultural Carbon Emissions

Agricultural product trade openness is a crucial factor impacting agricultural carbon emissions. This study analyzes the relationship between and emissions in China. Using panel data from 2002 to 2020 for 31 provinces, threshold model employed examine non-linear an environmental regulation perspective. The findings reveal significant single-threshold effect of regulation. When intensity low, positively associated with However, when high, significantly reduces Regional regression analysis indicates that this holds true major grain-producing, grain-selling, grain- producing- selling balance areas, although regional differences exist. emphasizes need coordinate regulations policies, strengthen control, leverage reducing through openness.