• Fixed residential and nonresidential investments both helped make the GDP growth 1.9% in the final Q1 data Bureau of Economic Analysis.
• As the commercial construction industry has seen, federal, state and local spending continued to pull down the numbers.
• The fourth quarter of 2011 GDP growth was 3.0%, but that was helped by companies building up inventory, an investment that slowed in the first quarter of 2012.

From the release:

Real gross domestic product -- the output of goods and services produced by labor and property
located in the United States -- increased at an annual rate of 1.9 percent in the first quarter of 2012 (that
is, from the fourth quarter to the first quarter), according to the "third" estimate released by the Bureau
of Economic Analysis. In the fourth quarter, real GDP increased 3.0 percent.