Program evaluation and review technique. The program (or project) evaluation and review technique, commonly abbreviated PERT, is a statistical tool, used in project management, which was designed to analyze and represent the tasks involved in completing a given project.
Quick Answer. According to its own website, the purpose of the World Trade Organization, WTO, is to monitor WTO trade agreements, facilitate trade negotiations, mediate trade disputes, monitor international trade policies and provide assistance to developing economies.
Indeed, access to a greater variety of goods and services is the purpose of trade. Imports, then, are not a sacrifice, a necessary evil for the good of exporting. One exports so that one may acquire goods and services in return.