Unilateral Trade Preferences in the EU: An Empirical Assessment for the Case of Mozambican Exports

Table 6

Price margin estimates-model in differences.

Variables	(1); Ratio 2; OLS	(2); Ratio 2; FE	(3); Ratio 2; RE	(4); Ratio 3; OLS	(5); Ratio 3; FE	(6); Ratio 3; RE	(7); Ratio 4; OLS	(8); Ratio 4; FE	(9); Ratio 4; RE
L. traiff ratio	−1.8364*	0.0982	−1.2985	0.5135	0.1403	0.5270	0.1211	0.2224	0.2347
	(0.8842)	(2.0520)	(1.0787)	(0.5255)	(1.3303)	(0.5460)	(0.6598)	(1.4369)	(0.6027)
L. market share	2.2838***	1.5857*	1.9810***	0.3694	0.9140*	0.6267*	0.6510*	0.6180	0.7496*
	(0.5181)	(0.6754)	(0.5139)	(0.2347)	(0.4379)	(0.2816)	(0.3154)	(0.4730)	(0.3094)
Constant	0.6345***	0.6415***	0.5535**	−0.3863***	−0.4528***	−0.4514***	−0.3130**	−0.3132**	−0.3525***
	(0.1780)	(0.1590)	(0.1716)	(0.0929)	(0.1031)	(0.0859)	(0.0979)	(0.1113)	(0.0948)
Observations	224	224	224	224	224	224	224	224	224
𝑅-squared	0.1927	0.0311		0.0171	0.0248		0.0367	0.0100
𝑅2 within		0.0311	0.0294		0.0248	0.0236		0.00997	0.00996
𝑅2 between		0.198	0.226		0.0290	0.0385		0.0948	0.0946
𝑅2 overall		0.169	0.192		0.0111	0.0159		0.0365	0.0366

Robust standard errors in parentheses.
*** 𝑃<0.001, **𝑃<0.01, *𝑃<0.05.