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Your cell phone data and frequent call list can shed light on network epidemiology A.K.A the spread of disease.

April 14, 2017

Using Cell Phone Data to Predict the Next Epidemic

Whom you call is linked to where you travel, which dictates how viruses spread.

Pierre Deville, Chaoming Song, Nathan Eagle, Vincent D. Blondel, Albert-László Barabási and Dashun Wang

Social diffusion, and thus technology adoption, occurs differently in a tight- and loose-knit communities.

April 13, 2017

How Tight-knit and Individualistic Communities Adopt New Technologies Differently

Innovations from fax machines to WhatsApp spread faster in some societies than others.

Bryony Reich

Consumer trust influences a savvy customer's purchasing decisions in the supermarket.

April 13, 2017

How to Make Ads That Even Savvy Customers Trust

People are more skeptical than ever about marketing—but that doesn’t mean they distrust all of it.

Mathew S Isaac and Kent Grayson

Successful innovations can sometimes be a hard sell.

April 7, 2017

Take 5: How to Encourage Innovative Thinking

Kellogg faculty on what it takes to ensure your new product or great idea takes off.

Brian Uzzi, Benjamin F. Jones, Kelly Goldsmith, Klaus Weber and Loran Nordgren

Social media echo chambers form surprisingly fast.

April 6, 2017

The Surprising Speed with Which We Become Polarized Online

Users isolate themselves in social media echo chambers, even when they start out looking at a variety of posts.

Alessandro Bessi, Fabiana Zollo, Michela Del Vicario, Michelangelo Puliga, Antonio Scala, Guido Caldarelli, Brian Uzzi and Walter Quattrociocchi

Researchers find that the permanent income hypothesis does not hold up, and a loss of income does affect household spending.

April 4, 2017

How the 2013 Government Shutdown Affected Workers’ Household Spending

Even temporary income dips lead to a surprising degree of belt-tightening.

Scott R. Baker and Constantine Yannelis

Demand for nurses outpaces supply, which can be bad for patients.

April 4, 2017

What Happens to Patient Care When There Are Not Enough Nurses?

The impact can be significant, especially in nursing homes.

Benjamin Friedrich and Martin B. Hackmann

By matching historical sales data with appropriate product life cycle curves, one can reduce new product forecasting errors.

March 10, 2017

How to Predict Demand for Your New Product

Relying on manager expertise and market research may not be enough.

Kejia Hu, Jason Acimovic, Francisco Erize, Doug Thomas and Jan A. Van Mieghem

A craft brewer balances business sense and brewing knowledge.

March 9, 2017

How Bell’s Became So Many People’s Local Beer

A Q&A with CEO Laura Bell on preserving company culture while growing aggressively.

Michael J. Mazzeo and Laura Bell

A CEO's risk aversion encourages underperformance.

March 8, 2017

How Risk Aversion Motivates Executives

Incentivizing leaders with too much stock promotes caution—and encourages underperformance.

Todd A. Gormley and David A. Matsa

The digital revolution hasn't upended traditional media - yet.

March 8, 2017

Even YouTube Stars Need the Traditional Media Spotlight

Sure Netflix and e-readers have upended distribution, but creative industries still rely on legacy media.

Paul Hirsch and Daniel A. Gruber

How to act ethically at work and avoid unethical behavior

March 6, 2017

Take 5: How Leaders Can Stamp Out Bad Behavior and Create a Culture of Integrity

Practical tips to reign in an unethical boss and encourage employees to do the right thing.

Maryam Kouchaki, Derek D. Rucker, J. Keith Murnighan, Paola Sapienza, Dylan Minor and Nicola Persico

March 6, 2017

The Secret to Ulta Beauty’s Success: Joy

A Q&A with Ulta’s marketing head on how consumer insights helped a brick-and-mortar chain thrive in the age of Amazon.

Eric Leininger and David Kimbell

Belief in fake news is about tribalism as much as truth.

March 6, 2017

The Psychology Behind Fake News