EP Magazine: Respondents agree at a rate of 81 percent that a cap-and-trade system should auction permits to polluters and only 9 percent prefer the United States to give them away for free. Most expert economists agree that reducing greenhouse gas emissions can help avoid a major economic malfunction, according to a survey conducted by New York University’s Institute for Policy Integrity (IPI). The institute released its findings Wednesday in a report called Economists and Climate Change: …