Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

Recently, the German auto maker Daimler gave employees the option of automatically deleting all emails that arrive while they’re on vacation. Senders get a note suggesting that they resend their email later or write to other colleagues who are still in the office. This way, employees don’t have to face overflowing inboxes when they return. Is this a good idea?

—Kathleen

Not having to worry about email while you’re on vacation sounds wonderful, and this policy will probably boost employees’ well-being—though, of course, some will still wonder what they might have missed.

That said, the Daimler approach seems pretty extreme, and it deals with the symptoms rather than the root problem. In my experience, email stresses people out constantly, not just during vacations. We get too much email every day of the year; we spend too much time responding to it and worrying about it. Email correspondence in many corporations is so out of hand that it leaves almost no time for any actual work.

If the bosses at Daimler really care about their employees’ welfare, why not tackle the inefficiencies of this communication channel—and work to reduce their overall email load? How about announcing that no email is allowed between 9 and 11 a.m. and again between 1 and 3 p.m.? Or what if they limited people to just 10 emails a day? (Does anyone really have more than 10 important things to say in a day?)

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Dear Dan,

I’ve read a lot about the placebo effect. Does that mean it won’t work on me?

—Marco

It turns out that placebos operate to some degree outside of our awareness—which means that even when we know a particular medication is a placebo, we can still benefit from it. So don’t worry about knowing too much. Just take two placebos and call me in the morning.

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See the original article in the Wall Street Journal here.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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See the original article in the Wall Street Journal here.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

I’m about to buy a new laptop—definitely a larger than usual purchase for me. I’ve found that when the base item is expensive, I’m much more likely to indulge in complementary ones, such as a new laptop case or software that I don’t really need but would be fun to play with. Why is it that I think twice about buying good beer on a night out but have no problem spending another $60 on a computer mouse I don’t need?

— Andrew

Here’s another example to help think through your question. Imagine that you’re going to buy a new car for $30,000, and the salesperson tells you that you can get leather seats for $2,000 more. How expensive would those luxurious seats seem to you? And how likely would you be to go for the upgrade?

Now imagine that instead of going to buy a car, you’re buying a new chair for your home office, at a cost of $500—and the furniture store tells you that you can get the chair in leather for $2,000 more. How likely would you be to go for it?

Most people would feel much better about the car upgrade than the chair upgrade. That’s because we think about money in relative terms: Relative to $30,000, that $2,000 doesn’t look that bad, but the same amount feels outrageous relative to $500.

Of course, money isn’t relative, and we should think about it in absolute terms, but this isn’t the natural way we make financial decisions. All this doesn’t make your tendency to shop for items you don’t need after a large purchases any more rational—but it should remind you that it’s very human.

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Dear Dan,

My husband is incapable of admitting that he is wrong, and it’s driving me crazy. What can I do to get him to acknowledge it when he’s wrong?

— Lisa

I suspect that many of the times that you most want your husband to admit that he’s wrong occur in large and central debates—which could be a mistake on your part.

One of the main problems with admitting error is reputation. Your husband may think that if he admits once that he was wrong, it will indicate that he could be wrong in other cases as well. If this is the case, a better way to fight his denial of wrongness will be to try to get him to admit once to a trivial mistake, maybe even in front of other people—and then hope that with that first step out of the way, the path to admitting other blunders will be more open.

Or here’s a less ambitious approach: give up on having him admit error and focus on just having him say that he’s wrong. For many years, psychologists used to recommend that married couples engage in something called “active listening”—telling the other person that we feel their pain and asking them to describe their annoyance in vivid color and detail. But psychologists have figured out that active listening was actually not very good advice. As it turns out, simply saying “Yes dear” is a much better strategy for a happy marriage. If your husband believes in science, perhaps sharing this sage advice with him will convince him that, despite his difficulty admitting that he’s wrong, agreement is often the best approach.

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Dear Dan,

When are people most productive? In the morning? At night? Are different people more productive at different times of day?

— Jacob

No question about it: For all kinds of people, the most productive time is tomorrow.

See the original article in the Wall Street Journal here.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

I’m a Swedish journalist working in New York City. I recently went for my annual dental checkup. I’d only ever had two cavities before, so I was shocked when the dentist told me I had nine. I don’t have U.S. dental insurance, so I chose to wait until my next visit home to get treated. To my surprise, my regular Swedish dentist found only two minor spots on my teeth and advised me to wait and see whether any problems developed. He also looked at my X-rays but didn’t find any cavities—let alone nine. 

How can two dentists disagree so much on the state of my teeth? 

—Linda

Clearly, your American dentist has much better vision.

Seriously, this is probably another example of a common problem in modern society: conflicts of interest. It is easy to chalk this confusion up to one bad apple of a dentist, but conflicts of interest are all around us, and they often change our view of the world.

As any sports fan will tell you, if a referee makes a call that goes against your team, you can’t help but see him as evil, blind, stupid, etc. The same goes for all kinds of motivations—including financial ones. Once we have a motivation for seeing reality in a self-interested way, we tend to do it—often without realizing that we are biased.

This is why Republicans and Democrats can see the same poverty and suggest such different policies for dealing with it. This is why Israelis and Palestinians can watch the same explosion and interpret it so utterly differently. And this is often why medical professionals who get paid by the procedure see the need for more procedures.

Understanding the prevalence of conflicts of interest probably won’t help us become more objective, bridge the political gap or bring peace to the Middle East. But it should often prod us to seek a disinterested second opinion.

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Dear Dan,

A new Android app called Burn Money lets users pick an animated replica of a bill from $1 to $100, pay for it with real money, then flick an animated lighter and watch the bill burn to electronic ashes. Users later receive a certificate they can post on their social media pages. And that’s it. 

What do you think?

—Emilia

Curious. Maybe people are using this app as a signaling device. Signaling is a way to communicate to ourselves and anyone watching who we are—and, often, who we want to be. For example, we can signal prosperity with the homes we buy, we can signal stylishness with the clothes we wear, and we can signal environmental concern with the hybrids we drive.

Similarly, letting people know you’ve been burning money (both virtual and real) could be an attempt to signal wealth—as if people are saying, both to themselves and to anyone watching, “Look at me: If I can burn money, doesn’t that show how wealthy and comfortable I am?”

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Dear Dan,

The U.S. Declaration of Independence gives us the right to pursue happiness. But is happiness really what we should aim for?

—Helen

Happiness is fine, but if I had to pick a mind-set to pursue, it would be pronoia—a state that is the opposite of paranoia. As I recently learned from Wharton professor Adam Grant, pronoia is the delusional belief that other people are plotting our well-being or saying nice things about us behind our backs. Now there is a wonderful way to experience life.

See the original article in the Wall Street Journal here.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

Apple recently announced Apple Pay, which will allow iPhone and Apple Watch users to simply wave their gadgets to pay for purchases. How might this technology change our spending habits? Could Apple Pay and other such hassle-free payment mechanisms (such as Amazon’s “1-click ordering”) lead us to spend more—particularly on stuff we don’t need?

—Nikki

The essence of payment is opportunity cost. Every time we face a purchasing decision, we should ask ourselves if getting this one thing is worth giving up the ability to purchase something else, now or in the future.

Different ways of paying make us think differently about those opportunity costs. For example, if we have $20 in cash in our pockets, we will have a hard time not thinking about opportunity cost. If we consider buying a sandwich, we realize that we won’t have money for coffee; if we get a cab, we realize that we won’t have money for dinner. But when we use a credit card or gift certificate, our thinking about opportunity cost will be less natural and prevalent—which means we’re likely to spend more without fully thinking about the consequences.

This is why the general answer to your questions is both yes and no. As you suggest, electronic payment mechanisms can easily lead us to think less about opportunity cost and spend more recklessly. But this doesn’t have to be the case. Electronic payment could be designed in ways that get us to more fully understand our opportunity costs and make more reasonable decisions. Apple Pay and the like could be game-changers, helping us think about our spending much more rigorously than we ever could with cash.

So the questions are: Who is designing these electronic wallets, and for what purpose? Will they be designed to get us to spend more money—or to help us make better decisions? Right now, electronic payments seem to be going down the path of less thinking and more spending—but I hope that at some point, some of the payment companies will change their approach, adopt the perspective of their users and offer electronic payment methods that help us make better financial decisions.

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Dear Dan,

How can I tell people who email me that I simply don’t have the time to respond to everyone?

—Kat

There is a well-known finding that when you ask couples how much each of them contributes to their relationship, the total far exceeds 100%. That is because we see all the things that we do, small and large, but we fail to see all the things that our partner does. The same is true for the people you respond to. They probably see how busy they are, but they have a hard time understanding the demands on your time.

So why don’t you create an automated email response that lists all the demands on your time, including how little time you have for sleep, exercise and your social life? With this kind of information, I hope, the people you email will understand why you can’t help them.

And while you perfect this approach, make sure you also—nicely—make your significant other aware of all the things you’re doing for the household and the relationship.

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Dear Dan,

Do people use twice as much single-ply toilet paper as double-ply?

—Gary

When toothpaste makers started putting a larger hole in the tube’s cap, people started using more toothpaste. That is because we judge the amount of toothpaste we apply largely by the stretch it covers on the toothbrush, not by its thickness or total volume. I suspect that the same principle is at work with toilet paper, which would mean that we judge the amount of toilet paper by its length—and don’t sufficiently adjust our use to take the added thickness into account.

See the original article in the Wall Street Journal here.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

I am a senior in high school, and I really dislike doing homework. We get a lot of it, and it adds nothing to my education. Writing countless essays for English and doing numerous labs for biology isn’t making me smarter, let alone better in those subjects. Here’s my quandary: I know that doing homework is valuable because it assesses how hard I work in school, which is what universities fundamentally look for in applicants—but I feel that if I really want to educate myself, I should dedicate all my free time to gulping down many books on a wide range of subjects. Should I dedicate myself primarily to school and homework, or should I read as much as possible and absorb information primarily through books?

—David

I believe deeply in trying to find things at which we can excel. We can all read poetry, and many of us can probably write bad poetry. But to be really good, to be a poet, you need to devote a lot of time, read widely, work hard, study things from different angles and (ideally) learn from the best. This is what school should give you. Not every teacher and topic is going to be enthralling—but it is still worth it for the teachers and topics that are. My advice: Stay in school, and try to pick a subject or two that excite you enough that one day, you could become the world’s expert on them.

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Dear Dan,

What advice would you—as a university professor who has been teaching for a long time—give to students who are starting the new academic year?

—Peter

Simple: Keep on investing in your relationships with your family—your parents, of course, but particularly your grandparents.

Here’s why: Most professors discover that family members, particularly grandmothers, tend to pass away just before exams. Deciding to look into this question with academic rigor, Mike Adams, a professor of biology at Eastern Connecticut State University, collected years of data and concluded that grandmothers are 10 times more likely to die before a midterm and 19 times more likely to die before a final exam. Grandmothers of students who aren’t doing so well in class are at even higher risk, and the worst news is for students who are failing: Their grandmothers are 50 times as likely to die as the grandmothers of students who are passing.

The most straightforward explanation for these results? These students share their struggles with their grandmothers, and the poor old ladies prove unable to cope with the difficult news and expire. Based on this sound reasoning, from a public policy perspective, students—particularly indifferent ones—clearly shouldn’t mention the timing of their exams or their academic performance to any relatives. (A less likely interpretation of these results would be that the students are lying, but this is really hard to imagine.)

Kidding aside, social relationships truly are important for our health and happiness, in good times and bad—and fostering them is a wise goal for anyone at any stage of life.

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Dear Dan,

Why do consultants always break problems and solutions into three?

—Alice

When consultants give answers, they often try to strike a delicate balance between making the answer simple (on the one hand) and complete (on the other). I suspect that offering three things to consider strikes this sweet spot.

See the original article in the Wall Street Journal here.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

—Francesca

Ah yes—the perils of success. Promotions usually sound good, but once we get them, we realize that they come with extra demands and annoyances.  We also don’t seem to remember this lesson from promotion to promotion, so every time, we’re surprised when we discover those extra obligations.

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Dear Dan,

—Matt

Yes and no.  Imagine that every day, I came to your office and covered your desk with doughnuts.  What are the odds that you will not weigh more by the end of the year?  Close to zero, I suspect. Once the environment is set, we are largely helpless, but we don’t have to be tempted by doughnuts every day: We can keep the doughnut peddlers out and otherwise design offices that help us make better decisions. That’s where free will resides—in our ability to design our environment for the better and make the world more compatible with our weaknesses.

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Dear Dan,

I’m happy to speculate about human nature, but predicting market trends should be left to those who divine the future from cards, coffee grounds and crystal balls (and to macroeconomists).  The only interesting thing I can tell you about real estate is that I once met one of the founders of Siri, Apple’s personal assistant, and he told me that he decided to work with Apple when Steve Jobs offered him the most valuable real estate in the world: the button at the bottom of the iPhone.

See the original article in the Wall Street Journal here.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

I love eating out, including some wine with dinner—but I can’t tell much difference between different bottles, and I never know which wine to order or how much to spend. When I ask waiters or sommeliers for advice, they often give some flowery descriptions about soil and accents of apricot, but these never help me figure out which wine pairs best with my meal. The whole wine-ordering business makes me feel incompetent and inadequate. Do you have any simple advice for how to order wine?

—Josh

The first thing to realize when picking from a wine list is that you are in a battlefield. This is a battle for your wallet—a fight between the restaurant, whose interest is to get as much of your money as possible right now, and your savings account. The restaurant’s owners have much more data than you do about how people make their wine decisions, and they also get to set up the menu in a way that gives them the upper hand.

In particular, restaurants know that people make relative decisions: If a place includes some very expensive wines on its list (say, bottles for $200 or more), customers are unlikely to order them, but their mere presence on the list will make a $70 bottle seem much more reasonable.

Restaurants also know that many of us are cheap—but we don’t want to seem cheap, which means that almost no one orders the cheapest wine on the menu. The wine of choice for cheapskates is the second-cheapest wine on the list.

Finally, the restaurants have another weapon in their arsenal: waiters and sommeliers who add to our feelings of inadequacy and confusion and, in the haze of our decision-making, can easily push us toward more expensive wines.

Now that you are starting to think about ordering wine as a battle, or maybe a game of chess, you can think ahead. Perhaps decide in advance to spend up to a certain amount of money on wine. Or tell the waiter that you have a religious rule against spending more than a set sum on wine and ask for a recommendation that would fit within your boundaries.

And if you really want to strike back, inform the waiter that you have allocated a total of $50 for the tip and wine combined—so the more you spend on wine, the less you will leave for a tip. Now let’s see what they recommend.

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Dear Dan,

I am convinced that some of our decisions are irrational, but what’s the proportion of irrational decisions?

—Julianne

The right question, I think, isn’t the proportion of irrational decisions but their impact. Think about something like texting and driving—perhaps you do it only 3% of the time, but each of these instances could kill you and other people. So what we really need to ask ourselves isn’t the proportion of our irrational behavior but the extent to which such behavior can harm our lives, the lives of those around us and society in general.

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Dear Dan,

I often hear people say that after they go for a run, their minds are clear, and they can focus better on big questions at work. Can this be so? Do we need to exercise to think clearly?

—Sam 

I suspect that running isn’t the best way to clear the mind. In fact, I suspect that running while thinking about work is a recipe for designing products and experiences that enhance agony and misery. Now that I think about it, maybe this was the start of what we know as “customer service” for cable companies.

See the original article in the Wall Street Journal here.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

—Roger

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Dear Dan,

—Ian

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See the original article in the Wall Street Journal here.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

I am happily married and was never much for the bar scene. But I do wonder if those cheesy pickup lines actually work—”If I told you that you had a beautiful body, would you hold it against me” and so on. I can’t imagine anyone would buy such transparently empty flattery, but these lines are so common that they must be doing something. Any insight?

—Barbara

I’m no expert here, but my guess is that these kinds of pickup lines work much better than you might expect. Some interesting research shows that we love getting compliments, that we are better disposed toward people who give us compliments and that we like those people even when we know that the compliments are insincere. So beyond the pickup lines, the real question is why we don’t give compliments more frequently. After all, they’re free, and they make the recipient happy. Try out some pickup lines and compliments on your husband for the next few weeks, and let me know how it works out.

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Dear Dan,

One of the not very well-paid cleaners working in my office sometimes chats with me about her life, including her family’s financial difficulties. Last week, she told me that she had just got a puppy. I was shocked that she would take on the responsibility of caring for a pet when she doesn’t have the money to take care of her family. How could someone in her situation be so careless and irresponsible with money?

—Andrea

This probably wasn’t a great choice on her part, but to understand how she could make such a decision—and to figure out if you or I would have made the same call if we were in her shoes—we need to better understand her circumstances and capacity to make good choices.

Consider the following scenario: You are relatively poor, and as you go through your day, every decision you make is consequential. You decide whether to get coffee and walk to work, or skip the coffee and take the bus. You decide whether to take a short break or make another $6. On your way home, you decide whether to fill a prescription or to have a better dinner. When you get home, you are exhausted from all the difficult choices you’ve made throughout the day. You are depleted—the term we use to describe the type of mental exhaustion that stems from making decisions and resisting temptation. And now your children ask you for the 100th time to get a puppy. You know that, for your long-term financial well-being, you should resist. But do you have the mental stamina? Unlikely.

You may be more likely to make better decisions than your colleague, but we don’t know whether that is because you are better at making sensible long-term decisions—or because you simply aren’t as depleted at the end of the day. My guess is that life circumstances and depletion, not heedless irresponsibility, explain many such less-than-desirable decisions.

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Dear Dan,

A few years ago, I discovered the Myers-Briggs Type Indicator and decided to take the test, which seemed pretty detailed. When I was shown my resulting “personality type,” I was blown away: It seemed to explain things about my personality that I had felt but had never put into words. But ever since, I’ve been insecure about whether my MBTI type is my “true type” or just confirmation bias. Help, please?

—Cory

Next time, just look at the horoscope. It is just as valid and takes less time.

See the original article in the Wall Street Journal here.