Barack Obama Twitter account: Illegal immigrant EO will boost U.S. GDP by tens of billions of dollars

Does anyone believe anything from the Liar-in-Chief anymore? Did Obama get this analysis fro Jonathan Gruber?

FACT: President Obama's #ImmigrationAction will boost the U.S. GDP by tens of billions of dollars.
— Barack Obama (@BarackObama) November 22, 2014

Here are some responses:

Corrected ur tw: FARCE: President Obama's #ImmigrationAction will boost the U.S. GDP by tens of billions of dollars. @BarackObama
— Lechon_Akbar! (@ChuckBiller) November 22, 2014

@BarackObama so the opposite will be the truth. Cost the taxpayers billions
— Chic Cutlet (@ChicCutlet) November 22, 2014

Just like the Stimulus & Obamacare! MT @BarackObama FACT: Obama's #ImmigrationAction will boost the U.S. GDP by tens of billions of dollars.
— jon gabriel (@exjon) November 22, 2014

@BarackObama that's not a FACT. It's an estimate that's disputed by both sides http://t.co/Gw8eqdZFvp
— Greg Pollowitz (@GPollowitz) November 22, 2014

@BarackObama Fact - you've lied about so much that without proof I don't believe anything you say. This flies in the face of basic economics
— Axios (@AxiosCA) November 22, 2014