Research at Gies

Gathering Knowledge, Powering Innovation

At Gies Business, we promise our students that an education is just the start – that here they can discover their purpose. Our faculty are at the center of that promise, guiding students to challenge assumptions, to be inventive, and to develop their own style. Our exceptional faculty conduct cutting-edge research that regularly impacts industry and helps business decisions get made.

Gies Business Research Lab

The Gies Business Research Lab is dedicated to supporting Gies faculty in performing groundbreaking research on business decision making. Gies faculty are among the top researchers in the world. We are focused on addressing critical societal needs through the transfer and application of knowledge, and we are committed to fostering industry-leading research than can help organizations and individuals make effective, efficient decisions. Your participation in research helps us create knowledge that can enhance the worldwide reputation of the University of Illinois as a premier research institution and shape the future decision-making practices of businesses and organizations around the world. 

For more information, contact Jen Themanson, Coordinator, at

Margolis Lab

Join Our Research Panel

As part of the Business Research Lab panel, you would be invited to participate periodically in research studies on topics in accounting, organizational management, or marketing. Participating in Gies research is voluntary and can be done on your own schedule, as often as you’d like.
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Data Science Research Service

The Data Science Research Service (DSRS) drives research within the Gies College of Business by assisting students, faculty, and staff with their data science, machine learning, computational infrastructure, and data acquisition needs. The DSRS works as a component of the Gies Disruption initiative in efforts to make Gies the most technologically-forward and data-capable business college in the world.

For more information, contact Joe Yun at

Research Stories

Sony’s PlayStation 5 or Xbox Series X? Backward Compatibility with Older Games Plays into Console Wars

Nov 25, 2020, 08:23 AM by Aaron Bennett
Sony and Microsoft have both upped their game with the release of their latest consoles; however, when it comes to backward compatibility with previous generation games, Microsoft’s Xbox has a head start, says Gies professor.

Sony and Microsoft have both upped their game with the release of their latest consoles, PlayStation 5 (PS5) and Xbox Series X this November. However, when it comes to backward compatibility with previous generation games, Microsoft’s Xbox has a head start, says a professor at the University of Illinois’ Gies College of Business.

“While PS5 is compatible with 99% of the games for PS4, the previous generation console, Xbox Series X goes far back with its backward compatibility feature. It spans multiple generations of games from the original Xbox, Xbox 360 and Xbox One,” said Unnati Narang, assistant professor of marketing at Gies Business.

In a recent paper she co-wrote, Narang examines the effect of Xbox One’s backward compatibility feature on its previous and new generation games. “What we found in our research is that when Xbox One allowed compatibility with older Xbox 360 games in November 2015, the unit sales for the old console games decreased, but the revenues from both old and new generation console games increased. The revenue lifts came largely from more popular games,” added Narang.

So, not all games benefit equally from backward compatibility?

“The selective launch of compatibility for some games allowed us to understand these effects at the game level,” said Narang. “High-selling games, games with an ESRB rating of E (everyone), action games, and those with high user ratings proved to be the primary beneficiaries of backward compatibility among the older generation games."

Narang and her co-author Venky Shankar also examined the spillovers to new-generation console games. In other words, what explained the positive impact of Xbox One’s backward compatibility on its own (new) games?

The research used detailed data on individual gamers’ game and console purchases over three years, 2014-2017, from a large gaming retailer to understand the potential explanations for the spillovers. “The data revealed that those who already owned backward compatible games before 2015 were twice as likely to upgrade to the new console. Since these preowners no longer needed to buy old games they already owned, they also had more spending capacity to buy the new console games due to a budget effect,” Narang explained.

Narang’s research shows that the effects of backward compatibility, although positive overall, may not apply evenly to all games and buyers. Managers should strategically launch backward compatibility based on their likely impact on sales as well as customer expectations.

Unlike the Xbox, for PS5 most games are covered under backward compatibility with only a very short list of excluded games. “What we are seeing now is a move toward standardization in the gaming industry for backward compatibility. Competition between rival platforms often results in these standard wars,” says Narang.

What does it mean for the future of console wars and the role of backward compatibility? “Console makers and publishers need to appreciate the complexity of the backward compatibility decision. New considerations, such as availability of multiple generations of games on the new console, playability on online gaming networks, and compatibility of disc and digital versions, will play a critical role going forward. PS5, for example, launched with a digital edition of the console, which isn’t compatible with the PS4 discs,” added Narang.