Cozy relationships among private interest groups and government officials have stunted economic growth, according to a new report by the Committee for Economic Development, a nonpartisan group of corporate executives that offers policy prescriptions for fiscal problems.

In the report, the organization calls for curbs on the so-called revolving door between Congress and lobbying firms and for overhauling the campaign-finance system, two popular ideas on the 2016 campaign trail.

The report, titled “Crony Capitalism: Unhealthy Relations Between Business and Government,” says the spiking cost of running campaigns, combined with lobbyists’ mounting influence in Washington, have “exerted an important toll on the U.S. economy.”

Read the article “Report: ‘Crony Capitalism’ Hurts the US Economy” on blogs.wsj.com.