Offshore BA's contribution to team's effectiveness

Announced theme's topicality is driven by an existing potential of offshore software development team's work efficiency increase by adding a BA as a team member. Nowadays, this potential is often unclear to a Customer as well as to team members themselves. This unclearness roots mainly from a scarcity of published researches on BA's contribution theme.  This research's presentation is aimed at aforementioned scarcity's decrease as well as suggesting the professional community a method of conducting future researches dedicated to the quantitative measurement of offshore BA's contribution to team's effectiveness.