Partway by way of a panel dialogue at a current economics convention in San Francisco, Jason Furman, a former adviser to President Barack Obama, turned to Kimberly Clausing, a former member of the Biden administration and the creator of a guide extolling the virtues of free commerce.

“Everybody on this room agrees together with your guide,” Mr. Furman mentioned. “Nobody outdoors of this room agrees together with your guide.”

The teachers and coverage wonks gathered within the lodge convention room laughed, however the remark captured one thing actual: After a long time of serving to to form coverage on weighty issues like taxes and medical insurance, economists discover that their affect is at a low ebb.

Free commerce is maybe the closest factor to a universally held worth amongst economists, but Individuals simply voted to return to workplace a president, Donald J. Trump, who has described tariffs as “essentially the most stunning phrase within the dictionary” and who typically appears to view commerce by way of a mercantilist lens that the sector has thought-about outdated for the reason that days of Adam Smith.

The president he’ll substitute, Joseph R. Biden, was hardly a free-trade zealot himself: He saved in place lots of the tariffs that Mr. Trump imposed in his first time period, and moved in his ultimate days in workplace to dam the takeover of U.S. Metal by a Japanese firm — a call his personal financial advisers opposed.

It isn’t simply commerce.

Economists overwhelmingly favor immigration as a supply of innovation and development, but Mr. Trump needs to seal the border and deport doubtlessly hundreds of thousands of unauthorized residents.

Economists throughout the ideological spectrum have espoused a carbon tax as the simplest software for combating local weather change, but Democrats rejected that method when designing their local weather invoice below Mr. Biden.

And economists have warned for years concerning the nation’s unsustainable fiscal path, saying it might lead to ballooning debt funds, rising rates of interest and elevated threat of a monetary disaster, but each events have run up enormous deficits with no credible plan for reining them in.

All of which meant that when economists gathered in San Francisco this month for the annual assembly of the American Financial Affiliation, there was a way that their well-known confidence — critics would say conceitedness — had been, if not shattered, definitely dealt a physique blow. What was the purpose of their cautious data-gathering, their advanced fashions, their intricate theories if nobody was going to take heed to their recommendation anyway?

“I do surprise on a regular basis if it issues,” mentioned Aaron Sojourner, a progressive economist who labored within the White Home below Mr. Obama and, briefly, Mr. Trump.

Mr. Sojourner hastened so as to add that, sure, he does nonetheless consider that his work issues. There are alternatives to affect coverage on the state and native ranges. There are analysis tasks that can take years, if not a long time, to yield coverage suggestions that may be put into motion.

However in formal periods and impromptu hallway encounters, conversations on the convention saved bumping into the identical set of questions: Why had so many political leaders — and a lot of the general public — rejected so lots of the discipline’s central tenets? What might economists do to win their affect again?

“I don’t have a solution to that,” mentioned Jesse Rothstein, a professor of public coverage and economics on the College of California, Berkeley, who served within the Obama administration. “That’s the wandering-in-the-wilderness half.”

Trial and … Error?

To its critics, the reason for the sector’s wilderness second is easy: Economists’ insurance policies have been tried, and so they haven’t labored.

Chatting with a roomful of economists on the convention, Oren Cass, a conservative coverage professional — however not an academically educated economist — ticked by way of a listing of the career’s perceived failures:

• The lack of manufacturing jobs and the deindustrialization of the American Midwest, which Mr. Cass and others attribute largely to free commerce.

• The 2008 monetary disaster and the following recession, for which some partly blamed the monetary deregulation championed by many economists.

• The long-term slowdown in financial development regardless of repeated tax cuts that many economists argued would have the alternative impact.

“I feel individuals rightly take a look at what the economists are recommending and say, ‘Why on earth ought to we anticipate that to be true?’” he mentioned. “If what you might have been doing isn’t working, you can not retain credibility and anticipate good outcomes just by persevering with to do it.”

Many economists, unsurprisingly, reject a lot of Mr. Cass’s evaluation. They argue, for instance, that the decline of producing was at the least as a lot a results of technological change and world forces as American commerce coverage, and that tariffs will wind up solely hurting the individuals they’re supposed to assist.

And in any case, they argue, Mr. Cass presents an outdated caricature of who economists are and what they consider. Maybe within the Nineteen Eighties and ’90s, economists overwhelmingly favored an agenda of decrease taxes, lowered regulation and unfettered globalization, however in current a long time the sector has developed to take a extra nuanced and various view of those topics.

“Earlier than there was extra of a way of ‘all economists say X,’ and now I don’t suppose you may essentially say that,” mentioned Ioana Marinescu, a College of Pennsylvania professor who till lately was an economist on antitrust points on the Justice Division.

That shift is partly a results of what economists typically consult with because the “credibility revolution” — the embrace of a extra data-driven, experiment-based method to analysis that makes an attempt to make the dismal science into extra of a real science. That work has typically uncovered methods wherein the actual world is extra difficult than an earlier era of fashions recommended.

Ms. Marinescu has studied methods wherein employers exert energy within the labor market, which helps clarify why, for instance, elevating the minimal wage doesn’t appear to price as many roles as economists as soon as anticipated.

“Concept could be very crisp, and it’s simple to overlook you’re counting on assumptions,” she mentioned. “Information is messy. Issues typically don’t prove the way in which you thought.”

But the credibility revolution has hardly succeeded in bolstering economists’ credibility, both with politicians or with most people.

That could be partly due to some high-profile forecasting errors: Economists broadly didn’t predict the 2008 monetary disaster, then didn’t predict the surge in inflation because the nation emerged from the coronavirus pandemic, after which wrongly predicted a recession as policymakers labored to convey inflation below management.

Economists say it isn’t truthful to evaluate the sector as a complete on such failures. Macroeconomic forecasts matter to policymakers on the Federal Reserve and to traders on Wall Road, however they aren’t a serious focus for many tutorial economists — and so they aren’t one thing that even most forecasters declare to be significantly good at.

“We’ve all the time been unhealthy at forecasting,” mentioned Greg Mankiw, a Harvard economist who was a high adviser to President George W. Bush. “Does that harm our credibility? In all probability.”

‘Skunks on the Backyard Social gathering’

Not that economists are used to being well-liked. Mr. Mankiw quipped that “being pissed off is kind of the pure state of affairs for being an economist.” Karen Dynan, who labored within the Treasury Division below Mr. Obama, mentioned economists there have been referred to as “skunks on the backyard social gathering” — all the time exhibiting as much as clarify why some attractive-sounding program wouldn’t work as supposed.

Nonetheless, Ms. Dynan mentioned, “they wished us round.” Politicians might not have preferred the recommendation economists gave, and so they definitely didn’t all the time observe it. However they did wish to know what the economists thought.

Ms. Clausing, the commerce economist, recalled a time early in her profession when she took a 12 months off from graduate faculty to function a junior economist within the Clinton administration.

“Economists have been listened to in a means that basically did make the outcomes higher,” she mentioned. “You can see particular examples the place dumb concepts that will have harm the very individuals they have been aiming to assist have been stopped as a result of they listened to consultants.”

Greater than 20 years later, Ms. Clausing served in what was, on paper, a way more senior position within the Biden administration, as deputy assistant secretary within the Treasury Division. But she mentioned she typically felt that she and different economists have been sidelined by an administration that didn’t appear to worth their experience.

“It felt just like the Biden administration didn’t put insurance policies by way of the identical course of that Obama or Clinton would have,” she mentioned. “It simply appeared just like the Biden of us didn’t care as a lot about that.”

Different economists who labored within the Biden administration, together with Ms. Marinescu, say they do really feel that their work was valued. And Mr. Biden appointed economists to high roles in his administration, together with naming Janet L. Yellen — a broadly revered former chair of the Federal Reserve — to be his Treasury secretary.

Mr. Trump, in his first time period, had few economists in high roles, and maybe essentially the most outstanding exception — Peter Navarro, a Harvard-trained economist who was an adviser on commerce coverage — held skeptical views on commerce, significantly with China, that put him far outdoors the financial mainstream. (In a 2016 survey of educational economists, not a single respondent mentioned placing tariffs on China to encourage home manufacturing could be a good suggestion.)

Economists who held extra mainstream views had restricted affect. Richard Burkhauser, a Cornell College professor who served on Mr. Trump’s Council of Financial Advisers, mentioned he and his colleagues shortly understood that there was little level in making an attempt to speak Mr. Trump out of imposing tariffs.

“Essentially the most forlorn economists on the C.E.A. specialised in commerce,” he mentioned. If they’d tried to combat tariffs, he mentioned, “that will have been the final assembly we have been at.”

As a substitute, Mr. Burkhauser mentioned, economists targeted on a unique query: If the administration was going to impose tariffs, how might it do them within the least painful means doable?

A Failure to Talk

However how can economists get again to a spot of serving to to set coverage, not simply to attenuate the harms carried out by insurance policies they think about misguided?

“I don’t suppose the most efficient factor is to simply whine about the way you’re not being listened to,” Mr. Furman mentioned. “Economists have to do a greater job about understanding the issues individuals care about, about being modern in growing approaches to them and about being clear about uncertainty.”

Some within the discipline see the issue principally as one in every of communication — they should do a greater job of explaining, each to policymakers and the general public, why their arguments make sense.

Researchers have lengthy understood, for instance, that globalization can have prices, in misplaced jobs or lowered wages in some industries. Most economists argue that the advantages — cheaper items and a extra productive, dynamic economic system — outweigh these prices, and that even lots of the people who find themselves initially harmed shall be higher off in the long term. However they’ve typically talked about these trade-offs in a means that might appear dismissive and insensitive, mentioned Glenn Hubbard, a boss of the Council of Financial Advisers below Mr. Bush.

“Our personal language obtained in the way in which,” Mr. Hubbard mentioned. “After we speak about ‘transition prices,’ what an terrible piece of language to explain individuals and locations.”

However different economists argue that the career wants a interval of extra vital self-reflection. Ms. Dynan, the previous Treasury official, mentioned economists should grapple with their failures regarding the 2008 monetary disaster and the current interval of excessive inflation.

“It issues that the career has failed society in a few methods,” Ms. Dynan mentioned. “I feel it’s essential that when coverage goes awry, individuals come clean with what occurred.”

That course of might already be underway. A number of periods on the convention in San Francisco addressed economists’ struggles to foretell and reply to inflation, together with a panel wherein outstanding economists together with Ben S. Bernanke, the previous Fed chair, debated the position that authorities coverage performed within the current inflation surge.

“We’re all sitting up right here making an attempt to diagnose what went mistaken,” mentioned Christina Romer, a professor on the College of California, Berkeley, who was chairwoman of the Council of Financial Advisers early within the Obama administration. “I do really feel that, as a career, our understanding of inflation isn’t practically the place it must be.”

Another economists, although, see a unique — if maybe extra painful — path again to relevance. If Mr. Trump pursues the insurance policies he has promised, they argue, the U.S. economic system will expertise quicker inflation and slower development. That would power politicians in each events to rethink their view of economists’ recommendation.

“It’s fairly doable that after that individuals will say possibly economists have one thing to contribute in spite of everything,” Ms. Clausing mentioned. “Perhaps we’ll begin to be taught the appropriate classes from the Trump administration relatively than the mistaken one from the Biden administration.”