Assessing RTAs inter-regional trade enhancement in Sub-Saharan Africa

Figures & data

Figure 1. Africa intra-regional block exports.

Source: 2000, 2002 and 2012 World Economic Indicators

Figure 2. Overlapping REC membership for African countries.

Source: UNECA, Assessing Regional Integration Report II.

Table 1. Summary of membership of African RTAs

Member State	CEPGL	CEMAC	ECCAS	SADC	SACU	IOC	COMESA	EAC	IGAD	AMU	MRU	UEMOA	ECOWAS^ʄ
Algeria										X
Angola			X	X
Benin												X	X
Botswana				X	X
Burkina Faso*												X	X
Burundi*	X		X				X	X
Cameroon		X	X
Cape Verde													X
Central Africa*		X	X
Chad*		X	X
Comoros						X	X
Congo, dem, Rep	X		X	X
Congo, Rep.		X	X
Cote d’Ivoire												X	X
Djibouti							X		X
Egypt							X
Equatorial Guinea		X	X
Eritrea							X		X
Ethiopia*									X
Gabon		X	X
Gambia													X
Ghana													X
Guinea											X		X
Guinea Bissau											X	X	X
Kenya							X	X	X
Lesotho				X	X
Liberia											X		X
Libya										X
Madagascar				X		X	X
Malawi*				X			X
Mali*												X	X
Mauritania										X			X
Mauritius				X		X	X
Morocco										X
Mozambique				X
Namibia
Niger*				X	X		X					X	X
Nigeria													X
Rwanda*	X		X				X	X
Sao Tome			X
Seychelles				X		X	X
Senegal												X	X
Sierra Leone											X		X
Somalia									X
South Africa				X	X
Sudan							X		X
Swaziland				X	X		X
Tanzania				X				X
Togo												X	X
Tunisia										X
Uganda*							X	X	X
Zambia*				X			X
Zimbabwe*				X			X

*: Indicates land-locked country

ʄ: Indicates RTA has a single currency—CFA franc

Source: Authors’ Compilation.

Table 2. Descriptive statistics for core variables used in regressions

	Mean	Median	Min	Max
	1995–1999 averages
lnT	4.432	4.282	0	13.725
lnY	1.845	1.860	−4.058	7.207
lnYpc	12.575	12.330	8.544	18.132
	2000–2004 averages
lnT	4.792	4.807	0	14.105
lnY	2.2477	2.296	−3.792	7.690
lnYpc	12.724	12.429	8.360	18.611
	2005–2009 averages
lnT	5.454	5.581	0	15.255
lnY	2.702	2.765	−3.540	8.620
lnYpc	12.940	12.660	8.065	19.145
	2010–2011 averages
lnT	5.282	5.485	0	15.589
lnY	2.995	3.029	−3.339	9.092
lnYpc	13.073	12.801	8.065	19.276
All groups
lnD	7.746	7.866	2.824	8.940

1035 number of observations.

Table 3. Cross-section OLS results

Estimated using 5-year averages for columns; 1, 2, and 3. 2-year averages for column 4. Column 5 is pooled OLS.
	1	2	3	4	5
Dep. Var.: lnT	95–99	00–04	05–09	10–11	Pooled OLS
Const	12.733*** (1.358)	13.490*** (1.333)	15.605*** (1.448)	18.753*** (1.666)	9.168*** (1.333)
lnY	0.973*** (0.040)	0.986*** (0.039)	1.051*** (0.040)	1.121*** (0.044)	1.769*** (0.072)
lnYpc	−0.281*** (0.055)	−0.307*** (0.054)	−0.320*** (0.057)	−0.448*** (0.060)	−0.293*** (0.051)
lnD	−1.022*** (0.145)	−1.078*** (0.138)	−1.336*** (0.149)	−1.610*** (0.176)	−1.087*** (0.140)
Lang	0.402* (0.220)	0.481** (0.220)	0.504** (0.232)	0.542** (0.261)	0.709*** (0.223)
Bord	2.237*** (0.316)	2.285*** (0.334)	1.792*** (0.396)	1.453*** (0.482)	2.498*** (0.380)
Col	0.863*** (0.231)	0.866*** (0.233)	0.840*** (0.249)	0.916*** (0.285)	0.936*** (0.244)
LL	0.327 (0.251)	0.315 (0.243)	0.437 (0.283)	0.465 (0.303)	0.093 (0.242)
EXR	0.743** (0.307)	0.847*** (0.319)	1.103*** (0.340)	1.302*** (0.368)	1.313*** (0.323)
COMESA	1.254*** (0.273)	1.318*** (0.263)	1.294*** (0.278)	1.241*** (0.313)	1.295*** (0.277)
ECCAS	−0.317 (0.392)	−1.143** (0.456)	−0.583 (0.487)	−0.980 (0.530)	−0.860** (0.405)
ECOWAS	1.776*** (0.285)	1.564*** (0.283)	1.709*** (0.294)	1.479*** (0.350)	1.759*** (0.296)
SADC	1.325*** (0.322)	1.490*** (0.308)	1.580*** (0.351)	1.614*** (0.392)	1.787*** (0.334)
Mean dependent var	4.432	4.792	5.454	5.282	4.359
Sum squared resid	6299.472	6409.948	7157.867	9376.418	151,508.595
No. Obs.	1035	1035	1035	1035	17,595
R-squared	0.526	0.533	0.543	0.509	0.472

Robust standard errors are reported in parentheses for OLS regressions. Levels of statistical significance are indicated by asterisks: *** 99%; ** 95%; * 90%.