Labor force participation rates are at record lows. Males of working age are not participating in the economy in record numbers. The low unemployment rate is the result of a poor economy which has caused millions to simply stop looking for work.
The government may mint platinum coins of any denomination and simply spend the coins into circulation at face value. This way of introducing money into the economy does not add to the national debt.
The government should mint $25, $10 & $5 platinum coins and give $100 per month to every person in the country until 19 Million jobs are created and sustained. This would increase the money supply by $360 Billion per year and assuming a money velocity (number of times each coin changes hands) of 6, about $2 Trillion of annual GDP would result