“Are you better off than you were
four years ago?” That’s the question Ronald Reagan famously used
in 1980 to end Jimmy Carter’s hopes for a second term as U.S.
president.

And that’s the question Republicans Mitt Romney and Paul Ryan want on your mind this week as you watch the Democratic
National Convention in Charlotte, North Carolina.

But four years ago, George W. Bush was still president. So
perhaps a better question would be, “Are you better off than you
were three years and eight months ago?” That brings us back to
the beginning of February 2009, the first full month of Barack Obama’s presidency. Since then, the economy has experienced a
net loss of about 316,000 jobs, or -8,000 jobs a month. Real
weekly wages are up by 0.6 percent. The Standard & Poor’s 500
Index has risen from 825 to 1,405.

Yet it’s a little odd to blame Obama for the first few
months of his presidency. After all, he entered office amid a
convulsive economic downturn. Blaming him for, say, the 724,000
nonfarm jobs lost in February 2009 is like blaming firefighters
for the damage done by a blaze while they’re getting out of
their truck.

Romney, the Republican presidential nominee, agrees. “We
ought to give whichever president is going to be elected at
least six months or a year to get those policies in place,” he
told CNBC’s Larry Kudlow in July. So let’s extend one year to
Obama for his policies to take effect. Now the clock begins at
the start of February 2010. Since then, the economy has added,
on net, about 4 million jobs, an average of 132,000 jobs a
month. Real weekly wages have risen by 1.5 percent. The S&P 500
has risen from 1,089 to 1,405. Over all, that’s a better record.

Voters’ Focus

According to most political scientists, however, that’s not
the record voters care about. Instead, voters tend to focus on
the year leading up to the election. Just ask George H.W. Bush
or Carter, both of whom had positive economic records over the
full course of their presidencies but were plagued by economic
trouble during their re-election campaigns.

With a couple months to go before this November’s election,
we can get a rough idea of what Obama’s election-year record
will look like by measuring the 12 months ended on July 31
(which is the most recent month for which we have jobs data). In
that year, the economy added about 1.8 million jobs, or an
average of 153,000 jobs a month. Real weekly wages rose by 0.6
percent. The S&P 500 rose from 1,292 to 1,379.

All this factoring, however, perpetuates the myth of the
imperial president. It not only assumes that everything that’s
happened in the economy is a result of the president’s policies;
it assumes that lawmakers quickly and smoothly bend to the
president’s will, translating his preferences into policy. But
no one who has spent time in Washington during these past few
years would use the words “quickly and smoothly” to describe the
workings of the U.S. Congress.

The reality is that the president is not a dictator, and
the policies in place today only partially reflect his
preferences. Obama wanted substantially more stimulus over the
past two years than he was able to tease out of Congress. If it
had been up to the White House, Congress in 2011 would have
passed the American Jobs Act, which most economists think would
have produced substantially better job growth in 2012.
Similarly, Obama would have preferred to sign a clean debt-
ceiling increase in 2011 rather than see Congress use the
occasion for a protracted budget fight, creating economic
uncertainty that derailed the economy. And the White House would
have much preferred a euro area that didn’t spend the past three
years roiling global financial markets by creeping repeatedly to
the brink of collapse.

Reasonable Guess

If Obama had been able to control just these three
situations, it’s reasonable to assume that the economy would
have added millions more jobs under his administration.

Yet even if we accept that the economy would have performed
better under Obama’s preferred policies, that doesn’t tell us
how it would have performed under Romney’s policies. This, of
course, is the crucial counterfactual: Would the Republican
approach have created more and better jobs?

It’s hard to say what the Republican approach would have
been. Romney supported some kind of financial rescue along with
some kind of fiscal stimulus, but he has never said exactly what
kind. He has given conflicting statements about bailing out the
auto industry. At one point, Romney said that without Obama’s
intervention, “things there would be better,” but at another
point, his aide Eric Fehrnstrom said Romney’s “position on the
bailout was exactly what President Obama followed.” On rescuing
the housing market, Romney’s position has flipped from “Don’t
try to stop the foreclosure process” to “The idea that somehow
this is going to cure itself by itself is probably not real.”

Absent the details, it’s impossible to come up with even a
vaguely credible estimate of where a “Romney economy” would be
today, and that’s before you factor in the inevitable
negotiations with Congress.

Even if you could answer all that, how valuable would that
knowledge be? The past four years presented an extreme set of
problems. The president had to save the financial system, break
the economy’s freefall, manage a global recession, decide
whether to intervene in the U.S. auto industry and make a range
of momentous decisions that few presidents have ever confronted.

The next four years will present very different challenges.
It’s possible that Obama was the right president for the past
four years, but would be the wrong president for the next four.
Or that the past four years would have been the right time for a
private-equity genius, but the next four years are the wrong
time for someone who has taken Grover Norquist’s pledge never to
raise taxes.

Which suggests that the question “Are you better off than
you were four years ago?” is fundamentally mistaken. If you’re
not better off four years after a fire destroyed your home, that
doesn’t mean the fire department did a bad job. Even asking “Are
you better off today than you were three years ago?” is a
largely frustrating exercise, riddled with questions about the
counterfactual.

But there is a clear question for voters to ask, and to
vote on: Which ticket will do the most to make you better off
four years from now?

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Follow Ezra on Twitter @ezraklein. Ezra Klein is the founder and editor-in-chief of Vox.com.