Well - functioning industry is a great part of national economy and it helps to produce more goods and increase the purchasing power of citizens. (shinyessays.com)
Prior to that time, the world's economy was primarily based on national economies that traded with one another. (religion-online.org)
It noted important consequences of alliance development not just for air travel consumers, but for local and national economies as well, due to greatly increased air travel. (transportation.gov)