1 These cells receive signals from and send signals to other nerve cells. 2  Interneurons serve to process information in many different ways and constitute the bulk of the human nervous system. 3  Effectors or motor neurons are the third class of neurons.
âThe trade deficit has been a thorn in the side of the U.S. economy for the past seven years.â âToday, by contrast, the current account deficit is larger than the trade deficit.â âIf exports exceed imports, there is a trade surplus and if imports exceed exports, there is a trade deficit.â âThus they ultimately contribute to growing budget and trade deficit and foreign debt.â
Trade Balance. 1  The U.S. goods trade deficit with Mexico was $63.2 billion in 2016, a 4.2% increase ($2.5 billion) over 2015. 2  The United States has a services trade surplus of an estimated $7.6 billion with Mexico in 2016, down 20.7% from 2015.