Market integration and asymmetric price transmission in selected domestic markets for major staple foods in Uganda

Future Business Journal

Table 7 Testing for asymmetric effects

Commodity (market)	Causal direction	Short run		Long run
		Chi-square	Prob	Chi-square	Prob
Vertical transmission
Matoke (Kampala)	WP = > RP	3.0555*	0.0805	0.0109	0.9167
Beans (Kampala)	WP = > RP	2.9407*	0.0864	8.8542***	0.0029
Maize (Masindi)	WP = > RP	6.0440**	0.0140	5.4820**	0.0192
Spatial transmission
Matoke	WP_Kampala = > WP_Mbarara	0.1834	0.6685	1.9309	0.1647
Matoke	WP_Mbarara = > RP_Kampala	2.8692*	0.0903	1.9599	0.1615
Beans	WP_Masindi = > WP_Kampala	24.1099***	0.0000	9.3313***	0.0030
Beans	WP_Masindi = > RP_Kampala	2.8830*	0.0895	11.7918***	0.0006
Maize	WP_Masindi = > RP_Kampala	0.0108	0.9174	0.2362	0.6270
Maize	WP_Tororo = > RP_Kampala	0.0677	0.7947	0.0236	0.8780

= > denotes unidirectional relationship, *, **, *** denote rejection of the null hypothesis of long -and short-run symmetry at the 10%, 5%, and 1% levels, respectively