As such, comparative advantage is an important concept in global trade, and it's the reason many countries concentrate on trying to produce certain goods or services more efficiently than other countries.
In March 2013, the total cost of the Iraq War to date was estimated at $1.7 trillion by the Watson Institute of International Studies at Brown University. Some argue that the total cost of the war to the U.S. economy will range from $3 trillion to $6 trillion, including interest rates, by 2053, as described in the Watson Institute's report.
Last week, chief Iraq administrator Paul Bremer said Iraq rebuilding costs could require tens of billions of dollars in the next year, including $6 billion for electricity and water alone. News reports last week put the 2004 cost for military and rebuilding operations in Iraq alone as high as $70 billion.ast week, chief Iraq administrator Paul Bremer said Iraq rebuilding costs could require tens of billions of dollars in the next year, including $6 billion for electricity and water alone. News reports last week put the 2004 cost for military and rebuilding operations in Iraq alone as high as $70 billion.