The economy grows very fast in China in recent years, the percentage of import and export trade in economic growth increases gradually. Import and export trade is generally considered to be the main cause of economic growth in extant researches. Is this theory adaptable to our country? Does the economic growth boost the import and export? Or the growth in import and export growth accelerate the economy? Or do they interact each other?
The study employed all China provinces panel data from 1997 to 2008 to analyze the relationship among economic growth, import and export. Models of panel data model, Granger causality test were introduced. The result shows: import influence more on economy than export does, while the influences of export on economy can not be ignored. Meanwhile, economic growth is also the Granger cause for import. So, in a word, economy, import and export interact each other.
Keyword: economic growth，import and export trade，relationship
