Download PDFThis study investigates the effects of merchandise trade and investment flows on the transmission of business cycles between members of ECOWAS and the major trading partnersbetween 1985 and 2014. Total trade and FDI significantly influence the transmission of business cycles with elasticities of 1.1% and 0.7%, respectively in the long run. There are little variations across the major trading partners and other measures of trade flows. Intra-industry trade flows with all partners, EU and USA influences the cross-country business cycles with elasticities of 1.0%, 0.5% and 1.8%, respectively. ”