《Table 2 Test result of causal relationship between ln GDP and ln AE》

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《Empirical Analysis on the Influence of Agricultural Products Export on Economic Growth in China》

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Seen from above analysis，economic growth GDP and export of agricultural products have longterm equilibrium relationship，but it needs testing if the two variables have causal relationship.Granger causality test method is used to test variables ln GDPtand ln AEt，and the results are shown as Table 2.Seen from test results，in 1-year lagging period and at10%of significance level，economic growth of China and export of agricultural products have Granger unidirectional causality，that is to say，export of agricultural products is Granger cause of economic growth.In 4-year lagging period and at 5%of significance level，economic growth is Granger cause of agricultural products export.