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
Updated February 16, 2016. Definition: The balance of trade compares the value of a country's exports of goods and services against its imports. When exports are greater than imports, that's a trade surplus. Most nations view that as a favorable trade balance. The opposite, when the value of imports outweighs the value of exports, is a trade deficit. They usually regard it as an unfavorable trade balance. A favorable trade balance depends on three factors. First, is where the country is in its business cycle.