Also, as a report by the Democratic staff of the Joint Economic Committee argued, relying on private investment is risky and can cost more than direct taxpayer funding, since investors expect a healthy return. In the past, some public-private partnerships have been poorly negotiated and shut out competition that would have resulted in better pricing and improved public services, the report said.

Democratic lawmakers on the Joint Economic Committee made the case for investment in border infrastructure to support the nation’s rail system at 30 rail ports of entry in a new report that cited the growing economic impact of U.S. freight railroads. The volume of commerce crossing into the United States is expected to increase 41 percent by 2040, growth that will put stress on rail points of entry, according to the report that comes as Congress gears up to discuss border policies in the coming months.

The study, issued by the U.S. Congress Joint Economic Committee, explores a part of the jobs-and-education landscape that's risen sharply on the public's radar in the last few years: the vast array of jobs that require more than a high school diploma and less than a bachelor's degree. Those "middle-skill" jobs account for 48 percent of U.S. employment, according to researchers.

The universal preschool movement hit peak momentum under the Obama administration but has been virtually unaddressed by President Donald Trump. Instead, Trump’s daughter and adviser Ivanka Trump has dabbled with policies aimed at tackling child care costs. A report by Democrats on the Joint Economic Committee in Congress this year indicated that less than half of the nation’s 3- and 4-year-olds were in a pre-K program, ranging from 75 percent in Washington, D.C., to just 30 percent in Idaho. The programs vary in quality and structure, with some offering just a few hours a week of learning sessions and others that are more similar to a full school day.