the exercise examines action to address physical connectivity constraints and reduce trade costs in particular through national and regional actions to implement the wto trade facilitation agreement it also extends consideration of trade costs into the area of digital connectivity network infrastructure and service markets a picture of concerted actionby governments development partners and the private sector to promote trade inclusiveness and connectivity for sustainable development emerges from this analysis a key message that emerged from the edition of the aidfortradeata glance publication oecdwto was that high trade costs inhibit numerous developing countries from fully exploiting the market access opportunities created by the multilateral trading system