Philip Davis, over at the GeoTech Center Blog writes:
Many prospective GIS students and professionals ask me "What is the economic value of industry certification?". Now we have some hard employment data analysis from a reliable website to quantify an answer. Check out the answer to this question, here .
PayScale is a market leader in global online compensation data. With the world's largest database of individual employee compensation profiles, PayScale provides an immediate and precise snapshot of the job market. Our patent-pending real-time profiling system indexes custom employee attributes (such as industry-specific certifications) and specific job titles for every industry.