Table 6 Parallel trend test.

From: Endowing urban business environments with an intelligent brain: empirical evidence from cities in western China

Time

BE

p-value

Before 4

0.005

0.741

Before 3

0.006

0.721

Before 2

0.012

0.461

Before 1

0.017

0.301

Current

0.027

0.096

After 1

0.031

0.055

After 2

0.036

0.023

After 3

0.044

0.006

After 4

0.039

0.015

After 5

0.047

0.004

After 6

0.054

0.001

After 7

0.061

0.000

After 8

0.061

0.000

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