While the recruitment of new jobs to the region is the highest profile portion of the work undertaken by the Economic Development Authority of Western Nevada, it's only one part of a three-pronged approach.And the success of the other two prongs retention of existing companies and development of new entrepreneurial companies is far more difficult to measure.In its newly developed strategic plan, EDAWN details how it will measure the success of the two difficult-to-measure programs.Mike Kazmierski, the president and chief executive of EDAWN, says that retention of existing employers is the single most important task facing the region in the …