berlin germany economy ministry believe donald trump presidency would severely damage u.s. economy accord internal memorandum report spiegel magazine saturday ministry expect shrink gross domestic product few job high unemployment unite state republican candidate implement campaign pledge magazine cite memo say trump billionaire businessman seek first public office propose tax cut worth 4.4 trillion want curb government regulation take tough stance negotiate trade deal say economic plan would produce annual economic growth 3.5 percent create 25 million job decade economists question assumptions underpin plan trump pledge feasible spiegel cite memorandum say moreover plan would violate international u.s. law could basis realistic economic policy spokeswoman german economy ministry decline comment spiegel report last month economic research firm oxford economics project u.s. economy could trillion small otherwise expect 2021 trump become president trump face democrat hillary clinton nov. election german government believe trump would ravage u.s. economy spiegel