[Retracted] Can European Union (EU) Enlargement Boost Regional Economic Common Growth? Multi-Period Difference-in-Difference (DID) Method

Table 5

Counterfactual test.

Variables	(1); Advanced_5	(2); Advanced_4
Membership	−0.083	0.026
	(−1.00)	(0.47)
Eld	0.010	0.008
	(2.68)	(2.03)
Tech	0.054	0.029
	(0.25)	(0.13)
Gov	−0.005	−0.005
	(−2.09)	(−2.02)
Second	0.013	0.012
	(2.78)	(2.65)
Urban	−0.021	−0.022
	(−2.32)	(−2.32)
Constant	10.710	10.846
	(12.30)	(11.92)
Observations	513	513
Year	Yes	Yes
Country	Yes	Yes

Robust t-statistics in parentheses; , , .