“…This paper explores the effects of trade in goods and trade in services on the economic performance of Middle East and North Africa (MENA) countries. Although the region has made some progress in liberalizing goods trade, it is considered as one of the most restrictive regions in service trade, with relatively high values for the Services Trade Restrictiveness Index (Brochert et al, 2012), revealing serious competitiveness issues. Indeed, inefficient services, provided mostly by the public sector, and the high cost of key backbone services such as transport, telecommunications, storage and distribution are important factors that raise the cost of MENA exports (both services and manufacturing), while also impeding trade expansion in the MENA region.…”