US Federal Reserve boss, Alan Greenspan, sees increased US trade protectionism and ever-larger budget deficits as the biggest threats to the US economy.
Ever-smaller budget deficits are a threat to the US economy.
( z1 threaten :ARG0 ( z2 deficit :mod ( z3 budget ) :ARG1-of ( z4 have-degree :ARG2 ( z5 small ) :ARG3 ( z6 more :mod ( z7 ever ) ) ) ) :ARG2 ( z8 economy :mod ( z9 country :name ( z10 name :op "US" ) ) ) )