Economic power is the ability of countries, businesses, or individuals to improve their standard of living. Countries, companies, and individuals can acquire economic power by improving their income, thereby adding to their wealth. That allows them to purchase more and better goods and services to meet their needs.
Compound word.
Don't mind the "x" and "z" if you look at the included image.
This might help. It is the image.
http://www.enchantedlearning.com/alphabet/wordforeachletter/compoundwords/answerstiny.GIF