Noticia 1
U.S. Trade Deficit Narrowed in July 2010
International Trade generates the most part of the income of the countries. United States export $153.3 billion in July and Imports totaled $196.1 billion in July, deficit of -42.77 billion.
International trade involves exchange of capital, goods, and services across international borders or territories. Between de countries the competition for reaching new market is intensive, example American manufacturers are maintaining their competitiveness by keeping costs under control, including unit labor costs, however most of industrialized nation have an unsustainable trade imbalance with China. When the countries prefer import goods because is cheaper than consuming national products that carries an increased of the trade defit.
http://www.nytimes.com/2010/09/10/business/economy/10econ.html?_r=3&ref=economy