"We still believe that dialogue is what should prevail," said Cecilia Malmström, Europe's top trade official, in a statement.
A spokesperson for the European Commission said that while the products in the broad target list represents US exports worth $ 20 billion, any retaliatory action would hit a smaller subsection of goods.
The European Union estimated in 2012 that the damage from Boeing's subsidies was roughly $ 12 billion.
Holger Schmieding, chief economist at Berenberg Bank, said that the measures threatened by the United States and the European Union would "not hurt" [global]. ] economic outlook by much. "
The fight over air subsidies has been running for 15 years.
EU authorities said in 2004 that Boeing received $ 19 billion in unfair subsidies from federal and state governments between 1989 and 2006. The US government filed a similar claim over the year over subsidies to Airbus.
US threatens tariffs of $ 11 billion in European goods over Airbus subsidies ” data-src-mini=”//cdn.cnn.com/cnnnext/dam/assets/190409042220-file-airbus-05-small-169.jpg” data-src-xsmall=”//cdn.cnn.com/cnnnext/dam/assets/190409042220-file-airbus-05-medium-plus-169.jpg” data-src-small=”http://cdn.cnn.com/cnnnext/dam/assets/190409042220-file-airbus-05-large-169.jpg” data-src-medium=”//cdn.cnn.com/cnnnext/dam/assets/190409042220-file-airbus-05-exlarge-169.jpg” data-src-large=”//cdn.cnn.com/cnnnext/dam/assets/190409042220-file-airbus-05-super-169.jpg” data-src-full16x9=”//cdn.cnn.com/cnnnext/dam/assets/190409042220-file-airbus-05-full-169.jpg” data-src-mini1x1=”//cdn.cnn.com/cnnnext/dam/assets/190409042220-file-airbus-05-small-11.jpg” data-demand-load=”not-loaded” data-eq-pts=”mini: 0, xsmall: 221, small: 308, medium: 461, large: 781″ src=”data:image/gif;base64,R0lGODlhEAAJAJEAAAAAAP///////wAAACH5BAEAAAIALAAAAAAQAAkAAAIKlI+py+0Po5yUFQA7″/>