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.
In March 2013, the total cost of the Iraq War was estimated to have been $1.7 trillion by the Watson Institute of International Studies at Brown University. Critics have argued that the total cost of the war to the U.S. economy is estimated to be from $3 trillion to $6 trillion, including interest rates, by 2053.he Iraq War was a protracted armed conflict that began with the 2003 invasion of Iraq led by the United States. The invasion regime toppled the government of Saddam Hussein.