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New research on marketing from Harvard Business School faculty on issues including advertising, crisis communications, social media, digital marketing techniques and strategy.
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Demand Estimation in Models of Imperfect Competition

by Alexander MacKay and Nathan H. Miller

The study shows how knowledge about firm behavior can be modeled to better predict demand. Firms tend to raise prices in response to higher demand, so observed relationships between price and quantity can be quite misleading. The authors provide an adjustment that can be used when price experiments or instrumental variables are not available.

Product Quality and Entering Through Tying: Experimental Evidence

by Hyunjin Kim and Michael Luca

This study empirically explores Google’s decision to tie its new reviews product to the top of its search results, excluding competitors. Results suggest that such "tying" can facilitate dominant platforms’ entry into adjacent markets, even when the tied product is of worse quality compared to existing options.

8 Ways to Make Olympic Stadiums Useful After the Games End

by Julia Hanna

For many cities that host the Olympic Games, the central stadium is nothing more than a white elephant after the competition ends. Stephen A. Greyser and Isao Okada pinpoint actions cities can take to give them new life. Open for comment; Comment(s) posted.

How to Use Free Shipping as a Competitive Weapon

by Kristen Senz

Free shipping is an increasingly important tool in the online retailer's marketing arsenal, but profit is lost when not done right, says Donald Ngwe. Open for comment; Comment(s) posted.

Shipping Fees and Product Assortment in Online Retail

by Chaoqun Chen and Donald Ngwe

This study highlights a strong link between an online retailer’s product assortment decisions and shipping policies in determining purchase outcomes and profits. Consumers are less sensitive to shipping fees than to product prices, but free shipping for orders above the minimum is a strong motivator for increasing average basket sizes.

The Legacy of Boaty McBoatface: Beware of Customers Who Vote

by Michael Blanding

Companies that encourage consumers to vote online should be forewarned—they may expect more than you promise, according to research by Michael Norton, Leslie John, and colleagues. Open for comment; Comment(s) posted.

Large-Scale Demand Estimation with Search Data

by Tomomichi Amano, Andrew Rhodes, and Stephan Seiler

Online retailers face the challenge of leveraging the rich data they collect on their websites to uncover insights about consumer behavior. This study proposes a practical and tractable model of economic behavior that can reveal helpful patterns of cross-product substitution. The model can be used to simulate optimal prices.

The Impact of Increasing Search Frictions on Online Shopping Behavior: Evidence from a Field Experiment

by Donald Ngwe and Thales S. Teixeira

With even minor changes to the design of an online store, sellers may get more full-priced sales from price-insensitive shoppers. As shoppers spend more time on the website given higher search frictions, they may also be considering a larger set of products.

Warning: Scary Warning Labels Work!

by Dina Gerdeman

If you want to convince consumers to stay away from unhealthy diet choices, don't be subtle about possible consequences, says Leslie John. These graphically graphic warning labels seem to do the trick. Open for comment; Comment(s) posted.

Why South Korea's Samsung Built the Only Outdoor Skating Rink in Texas

by Michael Blanding

New research by Lauren Cohen and Umit Gurun finds that when some companies are sued, they put their advertising dollars to work in unusual ways to influence local juries. Meet 'TiVo,' the championship steer. Open for comment; Comment(s) posted.

Why Online Retailers Should Hide Their Best Discounts

by Michael Blanding

Online retailers should take a tip from brick-and-mortar shops: Shove your best deals to the back of the store. Research by Thales Teixeira and Donald Ngwe. Open for comment; Comment(s) posted.

Big Hits: The Best of the 2018 Super Bowl Ads

by Christian Camerota

Harvard Business School marketing experts Jill Avery, Stephen Greyser, and Thales Teixeira discuss the best ads and how they reflect American society. Open for comment; Comment(s) posted.

Beware the Lasting Impression of a 'Temporary' Selfie

by Rachel Layne

Some social media apps promise to delete your messages after they are read. The problem: The memory of your uninhibited behavior lingers. Research by Leslie K. John and colleagues. Open for comment; Comment(s) posted.

How Charitable Organizations Can Thwart Excuses for Not Giving

by Michael Blanding

Charitable organizations provide all kinds of reasons for donors to give money—but sometimes their messaging does just the opposite, shows research by Christine Exley. Open for comment; Comment(s) posted.

Fearing Fox News, Democratic-leaning Companies Delayed Negative Announcements

by Jen Deaderick

Jonas Heese and Vishal P. Baloria explore strategies used by companies to reduce the risk of potentially negative press, focusing on Fox News and the 2000 presidential election. Open for comment; Comment(s) posted.

'Likes' Lead to Nothing—and Other Hard-Learned Lessons of Social Media Marketing

by Dina Gerdeman

A decade-and-a-half after the dawn of social media marketing, brands are still learning what works and what doesn't with consumers. Open for comment; Comment(s) posted.

The Better is the Enemy of the Good

by Christine L. Exley and Judd B. Kessler

Previous research has shown that individuals’ self-serving responses to information may arise when payoff information is subjective or uncertain. This study, in the context of charitable giving, shows that individuals’ ability to respond to payoff information in a self-serving way even includes situations when information is complete and certain.

Does Le Pliage Help or Hurt the Longchamp Luxury Brand?

Re: Jill J. Avery

Longchamp's iconic but affordable Le Pliage bag is a conundrum for the company, explains Jill Avery in this podcast. Does an affordable luxury product work against the top-tier brand? Open for comment; Comment(s) posted.

The Revolution in Advertising: From Don Draper to Big Data

Re: John A. Deighton

The Mad Men of advertising are being replaced by data scientists and analysts. In this podcast, marketing professor John Deighton and advertising legend Sir Martin Sorrell discuss the positives and negatives of digital marketing. Open for comment; Comment(s) posted.

Op-Ed: It’s a Bad Idea to Ban Customers From Recording Videos

by Benjamin G. Edelman

With videos of bad business practices routinely going viral, it might be tempting to prohibit customers from recording their surroundings. But banning cameras is the wrong way to go, says Benjamin Edelman. Open for comment; Comment(s) posted.