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I.R.S. Targeting of Conservative Groups Could Resonate in 2014

My rule of thumb is that a vast majority of alleged political scandals will have less electoral impact than the conventional wisdom initially holds.

There are two main reasons for this. First, voters weigh major issues like economic performance and the conduct of foreign wars heavily in making their decisions, leaving relatively little room for everything else. Second, the news media may overplay the lead story, scandalous or otherwise, on any given day, even though it may turn out to be relatively unimportant in the context of a multiyear political cycle.

But the recent admission by the Internal Revenue Service that it targeted conservative organizations with terms like “Tea Party” or “Patriot” in their names when they applied for tax-exempt status could be an exception. It has the potential to harm Democrats’ performance in next year’s midterm elections, partly by motivating a strong turnout from the Republican base.

Political scandals do not lend themselves especially well to data-driven analysis. But several years ago, I developed a series of five questions meant to determine whether a potential scandal “has legs.” Some of the questions have support in empirical literature, while others are more subjective. The exercise is modeled after Bill James’s “Keltner list,” a series of gut-check questions that were meant to test a baseball player’s suitability for the Hall of Fame.

The questions, with some minor wording differences from their original versions, are posed below. My conclusion, as you’ll see, is that the I.R.S. story scores relatively high, meaning it could have a substantial political impact.

1. Can the potential scandal be described with one sentence, but not easily refuted with one sentence?

In this case, the gist of the scandal can be expressed in 140 characters, as The Associated Press did on Twitter last week: “IRS apologizes for inappropriately targeting conservative political groups in 2012 election.” Subsequent reports have found that the I.R.S.’s scrutiny of the conservative groups began even earlier, in 2010. That detail notwithstanding, throw the words “I.R.S.,” “inappropriately,” “targeting” and “conservatives” into the same sentence and the news story is evident.

The potential explanation or defense of the I.R.S.’s actions, however, would be more long-winded. It is possible to ask questions about who within the I.R.S. authorized and had knowledge of the targeting, whether anyone sought to stop it, whether liberal groups were also targeted to any meaningful extent, what the tangible impact of the targeting was and whether political groups misuse 501(c)(4) laws for tax exemption. My purpose here is not to evaluate the credibility of these questions. But they rely on a series of relatively technical arguments.

This contrasts with the controversy surrounding the White House’s handling of the attacks on the United States’s diplomatic outpost in Benghazi, Libya. In that case, the claims made by Republicans are often technical and detail-oriented. Such claims are not necessarily unwarranted â€" the world can be a complicated place â€" but relatively simple claims usually do better as they are litigated by voters and the news media, who have many demands competing for their attention. Simplicity seems to be on the Republicans’ side in the I.R.S. case in a way it hasn’t been on Benghazi.

2. Does the scandal cut against a core element of the candidate’s brand?

“Candidate” in this case should be interpreted loosely, since President Obama will not be on the ballot again and has not been linked directly with any wrongdoing at this point. However, the I.R.S. story has the potential to affect perceptions of the executive branch, the Democratic Party and the United States government as a whole, and Mr. Obama by implication, since he is the head of each of those institutions.

The intent of this question is to evaluate whether a potential scandal undermines the core of a politician’s claim to credibility. For instance, a candidate who campaigned as a moral crusader might be more affected by a sex scandal than one who ran as a policy expert, while the policy expert might be more threatened by an accusation of a forged research finding.

In a basic sense, scandals that reduce trust in government have the potential to harm those who argue for more government. Mr. Obama has predicated much of his agenda on the idea that Americans can and should trust the government to take action on health care, gun legislation and other issues. An issue like the I.R.S. scandal could be seized upon by those who argue that background checks for gun purchases will lead to a national registry, or that information the government collects in implementing the health care law will be abused, even if the government promises it will not.

In 2008, Mr. Obama ran partly as a “post-partisan” candidate, a claim that might be undermined if there was partisan targeting of conservative groups under his watch. And in the past six to eight years, Democrats have sometimes campaigned on what they said were superior standards of ethics, transparency and honesty in government. However, these themes were not as pertinent in the 2012 elections, which were contested mostly on economic policy.

3. Does the scandal reinforce a core negative perception about the candidate?

A scandal can be equally dangerous if, rather than undermining a candidate’s strengths, it reminds voters of what they like least about him.

President Obama’s opponents have long accused him of using rough-and-tumble, “Chicago-style” political tactics. However, he is a polarizing figure who has been accused of all sorts of things, and it would be hard to narrow what his opponents dislike about him to any one characteristic or issue.

But when it comes to the grievances of Tea Party voters in particular, the I.R.S.’s actions could hardly be more substantively or symbolically resonant. Tea Party groups were explicitly targeted by the I.R.S. The Tea Party takes its name from the historical protests against unfair tax policy. And the I.R.S.’s admissions confirm longstanding reporting and complaints by conservative websites like The Blaze. The scandal could put the Tea Party back in the spotlight.

There could be some risks to Republicans in a re-energized Tea Party, but energy can go a long way in midterm elections, when turnout is otherwise fairly low. In addition, the scandal could make the Tea Party appear more sympathetic and legitimate to voters who had come to take an increasingly negative view of it. On balance, that seems like a favorable trade for Republicans.

4. Can the scandal be employed readily by the opposition without their looking hypocritical, risking retribution or giving life to a damaging counter-claim?

One problem Republicans have had in framing the politics around Benghazi is that they are taking on some relatively popular opponents â€" in particular Hillary Rodham Clinton, in her former role as secretary of state. In addition, the executive branch may have the upper hand in debates surrounding national security, as Mitt Romney discovered when he pressed Mr. Obama ineffectually on Benghazi in the final presidential debate last year.

The I.R.S., although it is not quite as unpopular as you might think, is a much better target for Republicans. Moreover, some Democrats are also starting to call for an investigation into the I.R.S.’s activities. Republicans could overplay their hand, but this scandal has the potential to be seen as more than an ordinary partisan squabble, and Republicans may have a lot of leeway before they risk a backlash.

5. Is the potential scandal occurring amid an otherwise slow news cycle?

According to research by Brendan Nyhan, a political scientist at Dartmouth College, the news media’s attention to potential scandals tends to rise during a president’s second term, and has historically been especially high toward the beginning of his second term.

This could be partly a natural occurrence, if administrations become sloppier or more corrupt the longer they hold office. However, another factor may be that the early years of a president’s second term are fairly slow for political news. During this period, the next presidential election is still a few years away, but the president generally does not have as ambitious a legislative agenda as during the first term. This condition certainly seems to hold now: by one relatively crude measure, Google searches for the term “political news,” Americans’ interest in political news stories is close to an eight-year low.

I want to be clear that the I.R.S.’s targeting of conservative groups is not, in my view, a “media-created scandal.” However, the degree to which voters will give it precedence over other issues in 2014 may be affected by how much time the news media spends covering it, and that, in turn, will be affected by how many other news stories it is competing against.

In the near term, the I.R.S. scandal will be competing against news coverage of the Congressional hearings on Benghazi, which were the major political story late last week. In my view, however, this is a no-lose proposition for Republicans. The news media could portray the Benghazi and I.R.S. stories as “joint scandals,” meaning that both would get plenty of coverage at the expense of other issues like immigration reform. Or, the news media could focus on the I.R.S. case instead of Benghazi â€" but for the reasons I’ve outlined here, the I.R.S. story probably entails much more political downside for Democrats.



I.R.S. Approved Dozens of Tea Party Groups Following Congressional Scrutiny

Public data from the Internal Revenue Service, which recently acknowledged that agency officials singled out conservative groups for special scrutiny, shows that dozens of Tea Party groups were approved for tax exempt status beginning in May 2012. That was the same month that Representative Dave Camp of Michigan wrote to the I.R.S. asking for information about all “social welfare” groups that had applied for tax-exempt status in 2010 and 2011, to determine whether the I.R.S. was targeting conservative groups.

The flurry of approvals that came in the next few months was a sharp break from the previous two years, during which the agency approved just a handful of 501(c)(4) applications from Tea Party groups.

The public data provided by the I.R.S. does not include information on when groups submitted their applications for tax-exempt status, or how long they waited compared to the average application.

But an inspector general’s report indicated that I.R.S. officials began targeting conservative groups in March 2010 by searching for groups with names containing “Tea Party,” “patriot” or “9/12.” The report says officials then switched to more expansive, less partisan search criteria in July 2011 and in January 2012, before broadening the criteria a third time on May 17, two weeks after Mr. Camp’s letter.

But the first two revisions to the search criteria do not appear to have resulted in more Tea Party groups gaining approval. During the entire two-year span â€" from March 2010, when the agency began singling out conservative groups, to April 2012, just before it received Mr. Camp’s letter and changed its search criteria for the last time â€" the I.R.S. approved the applications of just four groups with those conservative keywords in their names. After the I.R.S. altered its search criteria the final time, the agency approved more than 40 Tea Party applications.

According to the I.R.S. records, 54 organizations were granted 501(c)(4) status since 2010 with “Tea Party,” “patriot” or “9/12″ in their names. Five of those groups were approved in the first three months of 2010. Approvals then slowed considerably, I.R.S. data shows.

The Indiana Armstrong Patriots was the only Tea Party organization approved during all of 2011, and it was one of just four groups with “Tea Party,” “patriot” or “9/12″ in their names that were approved from April 2010 through April 2012.

The I.R.S. then approved 45 Tea Party groups in just 11 months, from May 2012 to March 2013. About half of those approvals â€" 23 â€" came in June, July and August, the first three full months after the final revision of the search criteria.

As a point of comparison, we tried to identify liberal groups approved for 501(c)(4) status since 2010. A search for “progress,” “progressive,” “liberal” and “equality” finds 32 groups. (This might not be a representative sample â€" identifying left-leaning groups is more difficult, as there are is no clearly defined nomenclature on the left equivalent to the Tea Party.) The I.R.S. approved these groups at a fairly steady rate from 2010 through 2012. The I.R.S. approved 13 in 2010, nine in 2011 and 10 in 2012.

This post has been revised to reflect the following correction:

Correction: May 16, 2013

Due to an editing error, an earlier version of this post misstated the number of Tea Party groups (with "Tea Party," "patriot" or "9/12" in their names) granted nonprofit status by the I.R.S. from April 2010 through April 2012. The total is four, including the Indiana Armstrong Patriots, not four in addition to the Indiana group.



Is There Really a Second-Term Curse?

President Obama is facing one of his roughest stretches in office after questions about the government’s response to the attacks in Benghazi, Libya, the admission by the Internal Revenue Service that it inappropriately targeted conservative groups which sought tax-exempt status, and the revelation that the Justice Department subpoenaed communications by The Associated Press.

In reaction, some commentators have written about a second-term curse - the supposed tendency of presidencies to unravel, especially because of scandal, in their second term.

Is there really anything to this? Or is this a case of selective memory, with pundits recalling administrations like George W. Bush’s, which struggled in its second term, while neglecting those like Bill Clinton’s, in which the sitting president remained reasonably popular in spite of his impeachment by the House of Representatives?

The chart below presents average approval ratings for the seven two-term presidents since World War II and before Mr. Obama. There’s nothing complicated about the analysis; I’ve just averaged the approval ratings for all polls in the Roper Center database, and broken the results down by the year of the term. (I’ve used Jan. 1 as the cutoff for a new year, even though the anniversary of the inauguration is technically Jan. 20). For Richard M. Nixon, who resigned in 1974, the second year of his second term, I’ve used his very last approval rating while still in office (24 percent approval in early August 1974) as a substitute for his approval ratings in his third and fourth years.

There are several things to observe from this data. First, the seven presidents were quite popular, on average, in their first term. Their approval ratings averaged 59 percent throughout their first term, and 57 percent in the final year of their first term, when they faced an election.

By contrast, the same presidents averaged a 48 percent approval rating during their second term. Moreover, their approval ratings declined throughout their second term - to an average of only 42 percent by the final year of their second term.

So does this provide proof of the second-term curse? Actually, there are a couple of complications.

As we noted, the two-term presidents were quite popular in their first term, but one reason for that is because the unpopular presidents - like Jimmy Carter and, to a lesser degree, George Bush - never made it to a second term, so they were selected out of the sample. Some of the decline in approval ratings, then, is a case of reversion to the mean. In that sense, the second-term curse is a bit like the Sports Illustrated cover jinx, the tendency for an athlete’s performance to decline after he is featured on the cover of that magazine. The reason for this is that the athlete usually appears on the cover right after he’s accomplished something amazing â€" so if he goes back to being a merely good player, his performance will pale by comparison.

However, the popularity of some of these presidents is poor not just by comparison, but by any standard. Three of the seven â€" Mr. Nixon, George W. Bush, and Harry S. Truman â€" had approval ratings below 30 percent by the time they left office.

But nor does there appear to be anything inevitable about a second-term decline. Two of the presidents, Mr. Clinton and Ronald Reagan, were more popular on average during their second term than during their first. And while Dwight D. Eisenhower’s approval ratings declined from a very high first-term average, he remained quite popular in his second term.

It’s also the case presidents’ approval ratings did not normally decline in the second term without good reason. Some presidents, like Mr. Bush, were harmed by poor economic performance; some, like Mr. Truman and Lyndon B. Johnson, by unpopular foreign wars; and some, like, Mr. Nixon, by scandal.

What’s less clear is if there is any systematic tendency for a president’s approval ratings to decline in his second term, other factors held equal â€" like, for example, because the public is increasingly fatigued by having the same person in office. It is also hard to make very many generalizations from only seven data points, some of which reflect different circumstances than the ones that Mr. Obama now faces. (For instance, Mr. Truman and Mr. Johnson, who had among the largest declines in their approval ratings, were serving their first elected term in their second overall term.)

There is some evidence, from the political scientist Brendan Nyhan, that scandals are more likely occur in the second term (PDF). However, Mr. Nyhan defines scandals mainly by what the news media refer to as “scandals.” Not all of these scandals had a major impact on public opinion. (In at least one case - the impeachment of Mr. Clinton in 1998 resulting from the Monica Lewinsky disrepute and Paula Jones lawsuit - the scandal may have ultimately helped the president because the other party was perceived as overreaching.) It may be that the news media judge presidents more harshly during their second terms, but the extent to which this might influence the broader public is an open question.

My view, then, is that the idea of the second-term curse is sloppy as an analytical concept. There is certainly a historical tendency for presidents who earn a second term to become less popular â€" but some of this reflects reversion to the mean. And some recent presidents have overcome the supposed curse and actually become more popular on average during their second terms.

Finally, the term “curse” might seem to imply that the decline in approval ratings is a matter of bad luck or otherwise beyond the president’s power to control. But the presidents who experienced the largest decline in approval ratings, like Mr. Nixon and Mr. Bush, were punished because of decisions that they made.



New Audit Allegations Show Flawed Statistical Thinking

The Internal Revenue Service is under fire for inappropriately targeting conservative groups that sought tax-exempt status. As I wrote earlier this week, the revelation has the potential to motivate conservative turnout in the 2014 elections, perhaps costing Democrats as they seek to gain seats in the House and retain control of the Senate.

Peggy Noonan has offered anecdotal evidence but no proof that the I.R.S. targeted taxpayers for political reasons.William B. Plowman /NBC Peggy Noonan has offered anecdotal evidence but no proof that the I.R.S. targeted taxpayers for political reasons.

Some conservatives, however, are alleging that there is another component to the scandal. They accuse the I.R.S. of targeting not just conservative groups that sought 501(c)(4) status, but also individual taxpayers who oppose President Obama or have supported conservative causes. “The second part of the scandal is the auditing of political activists who have opposed the administration,” the Wall Street Journal columnist Peggy Noonan wrote on Thursday, describing the I.R.S.’s actions as the “worst Washington scandal since Watergate.”

What evidence does Ms. Noonan present for this second allegation? She reports on four cases of conservatives who she says were targeted for audits, and infers that there were undoubtedly many more:

The Journal’s Kim Strassel reported an Idaho businessman named Frank VanderSloot, who’d donated more than a million dollars to groups supporting Mitt Romney. He found himself last June, for the first time in 30 years, the target of I.R.S. auditors. His wife and his business were also soon audited. Hal Scherz, a Georgia physician, also came to the government’s attention. He told ABC News: “It is odd that nothing changed on my tax return and I was never audited until I publicly criticized Obamacare.” Franklin Graham, son of Billy, told Politico he believes his father was targeted. A conservative Catholic academic who has written for these pages faced questions about her meager freelance writing income. Many of these stories will come out, but not as many as there are.

Ms. Noonan is surely correct that many conservative taxpayers were audited. In fact, based on some simple math that I’ll present in a moment, it’s likely that hundreds of thousands of Mitt Romney voters were selected for an audit in 2012.

However, it’s also likely that hundreds of thousands of Mr. Obama’s supporters were audited. Although the percentage of taxpayers who are audited is relatively low â€" about 1 percent â€" the number of taxpayers in the United States is so large that this still yields well more than a million audits every year, across the political spectrum.

The I.R.S. publishes data each year on the number of taxpayers it audits. In 2012, it conducted just shy of 1.5 million audits out of 144 million individual income tax returns.

The probability of being audited is highest for high-income taxpayers â€" about 12 percent of individuals who made more than $1 million were audited in 2012 â€" although taxpayers who report little to no income are audited at higher rates than those with average incomes. In fact, about one-third of audits pertained to people who claimed the Earned Income Tax Credit, a benefit for low-income taxpayers.

In the table below, I’ve estimated the number of taxpayers in each income group who were audited in 2012, as derived from statistics in the I.R.S.’s 2012 Data Book. It is also possible to estimate how many Mitt Romney and Barack Obama voters would have been audited last year. The calculation assumes that an individual’s chance of being audited was related to their income, but not to their political views.

I estimate the number of voters in each income bracket from the 2012 Current Population Survey. I then estimate the share of the vote in each income bracket that went to Mr. Romney and Mr. Obama based on last year’s national exit poll. (Note that the income brackets used in the exit poll and the Current Population Survey do not exactly match the income brackets listed in the I.R.S.’s audit data, so I use the closest available approximations.)

This results in an estimate that about 380,000 of Mr. Romney’s voters were audited last year, as were about 480,000 of Mr. Obama’s voters.

To be clear, this calculation assumes that individuals’ risk of being audited is independent of their political views. In fact, there is no way to know exactly how many supporters of each candidate were chosen for an audit â€" nor could there be, since individual-level voting records and audit records are private.

The point is, however, that even with no political targeting at all, hundreds of thousands of conservative voters would have been chosen for audits in the I.R.S.’s normal course of business. Among these hundreds of thousands of voters, thousands would undoubtedly have gone beyond merely voting to become political activists.

The fact that Ms. Noonan has identified four conservatives from that group of thousands provides no evidence at all toward her hypothesis. Nor would it tell us very much if dozens or even hundreds of conservative activists disclosed that they had been audited. This is exactly what you would expect in a country where there are 1.5 million audits every year.

None of this ought to take away from the major part of the I.R.S. scandal â€" the targeting of conservative groups that applied for 501(c)(4) status, which the I.R.S. has admitted to and for which the statistical evidence is very clear. And evidence could yet emerge that there was targeting of politically active individual taxpayers.

But the principle is important: a handful of anecdotal data points are not worth very much in a country of more than 300 million people. Ms. Noonan, and many other commentators, made a similar mistake last year in their analysis of the presidential election, when they cited evidence like the number of Mitt Romney yard signs in certain neighborhoods as an indication that he was likely to win, while dismissing polls that collectively surveyed hundreds of thousands of voters in swing states and largely showed Mr. Obama ahead.

A version of this article appeared in print on 05/19/2013, on page A19 of the NewYork edition with the headline: Claims on I.R.S. Are Challenged By Probability .

New Audit Allegations Show Flawed Statistical Thinking

The Internal Revenue Service is under fire for inappropriately targeting conservative groups that sought tax-exempt status. As I wrote earlier this week, the revelation has the potential to motivate conservative turnout in the 2014 elections, perhaps costing Democrats as they seek to gain seats in the House and retain control of the Senate.

Peggy Noonan has offered anecdotal evidence but no proof that the I.R.S. targeted taxpayers for political reasons.William B. Plowman /NBC Peggy Noonan has offered anecdotal evidence but no proof that the I.R.S. targeted taxpayers for political reasons.

Some conservatives, however, are alleging that there is another component to the scandal. They accuse the I.R.S. of targeting not just conservative groups that sought 501(c)(4) status, but also individual taxpayers who oppose President Obama or have supported conservative causes. “The second part of the scandal is the auditing of political activists who have opposed the administration,” the Wall Street Journal columnist Peggy Noonan wrote on Thursday, describing the I.R.S.’s actions as the “worst Washington scandal since Watergate.”

What evidence does Ms. Noonan present for this second allegation? She reports on four cases of conservatives who she says were targeted for audits, and infers that there were undoubtedly many more:

The Journal’s Kim Strassel reported an Idaho businessman named Frank VanderSloot, who’d donated more than a million dollars to groups supporting Mitt Romney. He found himself last June, for the first time in 30 years, the target of I.R.S. auditors. His wife and his business were also soon audited. Hal Scherz, a Georgia physician, also came to the government’s attention. He told ABC News: “It is odd that nothing changed on my tax return and I was never audited until I publicly criticized Obamacare.” Franklin Graham, son of Billy, told Politico he believes his father was targeted. A conservative Catholic academic who has written for these pages faced questions about her meager freelance writing income. Many of these stories will come out, but not as many as there are.

Ms. Noonan is surely correct that many conservative taxpayers were audited. In fact, based on some simple math that I’ll present in a moment, it’s likely that hundreds of thousands of Mitt Romney voters were selected for an audit in 2012.

However, it’s also likely that hundreds of thousands of Mr. Obama’s supporters were audited. Although the percentage of taxpayers who are audited is relatively low â€" about 1 percent â€" the number of taxpayers in the United States is so large that this still yields well more than a million audits every year, across the political spectrum.

The I.R.S. publishes data each year on the number of taxpayers it audits. In 2012, it conducted just shy of 1.5 million audits out of 144 million individual income tax returns.

The probability of being audited is highest for high-income taxpayers â€" about 12 percent of individuals who made more than $1 million were audited in 2012 â€" although taxpayers who report little to no income are audited at higher rates than those with average incomes. In fact, about one-third of audits pertained to people who claimed the Earned Income Tax Credit, a benefit for low-income taxpayers.

In the table below, I’ve estimated the number of taxpayers in each income group who were audited in 2012, as derived from statistics in the I.R.S.’s 2012 Data Book. It is also possible to estimate how many Mitt Romney and Barack Obama voters would have been audited last year. The calculation assumes that an individual’s chance of being audited was related to their income, but not to their political views.

I estimate the number of voters in each income bracket from the 2012 Current Population Survey. I then estimate the share of the vote in each income bracket that went to Mr. Romney and Mr. Obama based on last year’s national exit poll. (Note that the income brackets used in the exit poll and the Current Population Survey do not exactly match the income brackets listed in the I.R.S.’s audit data, so I use the closest available approximations.)

This results in an estimate that about 380,000 of Mr. Romney’s voters were audited last year, as were about 480,000 of Mr. Obama’s voters.

To be clear, this calculation assumes that individuals’ risk of being audited is independent of their political views. In fact, there is no way to know exactly how many supporters of each candidate were chosen for an audit â€" nor could there be, since individual-level voting records and audit records are private.

The point is, however, that even with no political targeting at all, hundreds of thousands of conservative voters would have been chosen for audits in the I.R.S.’s normal course of business. Among these hundreds of thousands of voters, thousands would undoubtedly have gone beyond merely voting to become political activists.

The fact that Ms. Noonan has identified four conservatives from that group of thousands provides no evidence at all toward her hypothesis. Nor would it tell us very much if dozens or even hundreds of conservative activists disclosed that they had been audited. This is exactly what you would expect in a country where there are 1.5 million audits every year.

None of this ought to take away from the major part of the I.R.S. scandal â€" the targeting of conservative groups that applied for 501(c)(4) status, which the I.R.S. has admitted to and for which the statistical evidence is very clear. And evidence could yet emerge that there was targeting of politically active individual taxpayers.

But the principle is important: a handful of anecdotal data points are not worth very much in a country of more than 300 million people. Ms. Noonan, and many other commentators, made a similar mistake last year in their analysis of the presidential election, when they cited evidence like the number of Mitt Romney yard signs in certain neighborhoods as an indication that he was likely to win, while dismissing polls that collectively surveyed hundreds of thousands of voters in swing states and largely showed Mr. Obama ahead.

A version of this article appeared in print on 05/19/2013, on page A19 of the NewYork edition with the headline: Claims on I.R.S. Are Challenged By Probability .

Is the Economy Saving Obama’s Approval Ratings?

Political coverage over the last week has focused on a series of stories that reflect negatively on the executive branch â€" but President Obama’s approval ratings have held steady. As of Monday, Mr. Obama’s Gallup approval rating was 49 percent â€" the same as it was, on average, in April. Mr. Obama’s Rasmussen Reports approval rating was 48 percent, not much changed from an average of 50 percent in April. Mr. Obama’s approval rating in a CNN poll published on Sunday was 53 percent, little different from 51 percent in their April survey. And in a Washington Post-ABC News poll, Mr. Obama’s approval rating was 51 percent, essentially unchanged from 50 percent in April.

There are a lot of theories as to why Mr. Obama’s approval ratings have been unchanged in the wake of these controversies, which some news accounts and many of Mr. Obama’s opponents are describing as scandals. But these analyses may proceed from the wrong premise if they assume that the stories have had no impact. It could be that the controversies are, in fact, putting some downward pressure on Mr. Obama’s approval ratings â€" but that the losses are offset by improved voter attitudes about the economy.

I first put forth this hypothesis on Sunday, but Jon Cohen and Dan Balz of The Washington Post have advanced some tangible evidence on its behalf. In the latest Washington Post survey, Mr. Obama’s approval rating on the economy is 48 percent â€" up from 44 percent in April. This follows a series of surveys showing that consumer confidence is at or near its highest point since Mr. Obama took office. The economic mood may have been lifted by two highly visible indicators â€" record-breaking stock prices and rebounding housing rices â€" along with a series of improved jobs reports.

In the graphic below, I’ve compared Mr. Obama’s approval ratings on the economy to his overall approval rating in Washington Post surveys dating back to the beginning of his presidency. As you might expect, the two ratings are highly correlated. There is undoubtedly a strong causal relationship as well, although keep in mind that the causality can potentially go in both directions. (Voters who are satisfied with the economy will tend to view Mr. Obama more favorably over all, but those who are happy with his overall performance may also tend to take a more favorable view of his impact on the economy â€" the so-called halo effect.)

There is one significant outlier in the chart, which reflects an occasion on which Mr. Obama’s approval ratings were much higher than you might expect given views about his economic performance. That was in May 2011, just after the mission that killed Osama bin Laden, when a Washington Post poll put Mr. Obama’s overall approval rating at 56 percent despite just 40 percent approval on the economy.

The latest readings from the Washington Post poll aren’t nearly as dramatic as that instance â€" but there is a milder version of this same phenomenon working in the opposite direction. In other words, Mr. Obama’s approval rating in the new Washington Post poll is a now bit lower than you’d expect based on where voters rate him on the economy.

Based on the historical relationship between Mr. Obama’a overall and economic approval ratings in the poll, you’d predict that his overall approval rating would be 53 or 54 percent given an economic approval rating of 48 percent. Instead, it’s 51 percent. So it may be that the talk surrounding Benghazi, the I.R.S. and the Justice Department has negatively affected Mr. Obama’s approval rating by two or three percentage points, but that the economy has lifted his numbers by about the same amount.

A version of this article appeared in print on 05/22/2013, on page A19 of the NewYork edition with the headline: Obama’s Ratings May Be Buoyed By Economy.