The 2024 Platform Papers Year in Review is here! What were the top journals for platform competition research? Which were the top-cited papers and the most-read #PlatformPapers blogs? Read all about it and more by following the link. Happy holidays!🎄🎅 platformpapers.substack.com/p/platform-p...
Platform Papers 2024 Year in Review
It’s that time of the year again. Time to look back and reflect.
platformpapers.substack.com
December 17, 2024 at 8:36 AM
The 2024 Platform Papers Year in Review is here! What were the top journals for platform competition research? Which were the top-cited papers and the most-read #PlatformPapers blogs? Read all about it and more by following the link. Happy holidays!🎄🎅 platformpapers.substack.com/p/platform-p...
Food-delivery #platforms didn't 'disrupt' the #restaurant industry, but they still had a meaningful impact on market composition. In the latest #PlatformPapers blog, Manav Raj and JP Eggers explain what happens when delivery platforms come to town. platformpapers.substack.com/p/when-deliv...
When Delivery Comes to Town
How platform entry affects industry structure and competition
platformpapers.substack.com
February 4, 2026 at 4:45 PM
Food-delivery #platforms didn't 'disrupt' the #restaurant industry, but they still had a meaningful impact on market composition. In the latest #PlatformPapers blog, Manav Raj and JP Eggers explain what happens when delivery platforms come to town. platformpapers.substack.com/p/when-deliv...
How do complementors respond when the platform they rely on moves into their space and competes head on? That's the focus of the latest #PlatformPapers blog, and the answer depends on the extent complementors have outside options. platformpapers.substack.com/p/competing-...
Competing with Platforms
How complementors reposition when platforms compete with them head-on
platformpapers.substack.com
August 12, 2026 at 9:16 AM
How do complementors respond when the platform they rely on moves into their space and competes head on? That's the focus of the latest #PlatformPapers blog, and the answer depends on the extent complementors have outside options. platformpapers.substack.com/p/competing-...
Abnormal performance is a normal feature of many digital platform. Read about research in the context of #Udemy by Kaushik Gala, Andreas Schwab, and Brandon Mueller in the latest #platformpapers blog. platformpapers.substack.com/p/star-entre...
Star Entrepreneurs on Digital Platforms
Abnormal performance is normal in many platforms.
platformpapers.substack.com
March 18, 2025 at 2:00 PM
Abnormal performance is a normal feature of many digital platform. Read about research in the context of #Udemy by Kaushik Gala, Andreas Schwab, and Brandon Mueller in the latest #platformpapers blog. platformpapers.substack.com/p/star-entre...
In the latest PlatformPapers blog, Ken Wilbur and Davide Proserpio discuss why #advertising is an emergent (but understudied) property of successful digital #platforms. A recommended read! platformpapers.substack.com/p/advertisin...
Advertising is an Emergent Property of Successful Platforms
Plus a public wager
platformpapers.substack.com
April 10, 2025 at 7:36 AM
In the latest PlatformPapers blog, Ken Wilbur and Davide Proserpio discuss why #advertising is an emergent (but understudied) property of successful digital #platforms. A recommended read! platformpapers.substack.com/p/advertisin...
In the latest #PlatformPapers blog Manav Raj explores the effects of adding competitors in digital platforms. In the context of #Spotify he finds that when a major artist releases an album, related artists see their listenership rise by up to 3% and their overall popularity increase by 1–2%.
Demand Spillovers in Digital Platforms
When it comes to adding competitors, can more be merrier?
platformpapers.substack.com
February 4, 2025 at 2:02 PM
In the latest #PlatformPapers blog Manav Raj explores the effects of adding competitors in digital platforms. In the context of #Spotify he finds that when a major artist releases an album, related artists see their listenership rise by up to 3% and their overall popularity increase by 1–2%.
What happens to non-promoted items when a platform operator selectively promotes some of its items, but not others? The latest PlatformPapers post discusses this question drawing from experimental research. Promotion has positive spill over effects, but not to all. open.substack.com/pub/platform...
One Badge, Many Winners: The Spillover Effects of Platform Endorsement
Platform endorsement increases sales for endorsed items—but the bigger story is what it does for everything else.
open.substack.com
May 21, 2026 at 8:53 AM
What happens to non-promoted items when a platform operator selectively promotes some of its items, but not others? The latest PlatformPapers post discusses this question drawing from experimental research. Promotion has positive spill over effects, but not to all. open.substack.com/pub/platform...
Thanks to #PlatformPapers and @gjrietveld.bsky.social for allowing us to popularise our academic research. #EconSky
In the latest #PlatformPapers blog, Paul Belleflamme, Eric Toulemonde and Martin Peitz argue that using market shares to proxy market power for digital platforms is complicated for several reasons. They offer insights to regulators, investors and managers.
platformpapers.substack.com/p/rethinking...
platformpapers.substack.com/p/rethinking...
Rethinking Market Power in the Digital Platform Era
Market share isn't everything.
platformpapers.substack.com
March 1, 2025 at 7:27 AM
Thanks to #PlatformPapers and @gjrietveld.bsky.social for allowing us to popularise our academic research. #EconSky
Platform cooperatives are trying to make the sharing economy more equitable by competing against incumbents (e.g., Airbnb, Uber) from the margin. Read about how they try to do this in the latest #PlatformPapers blog here: platformpapers.substack.com/p/platform-c...
Platform Cooperatives Driving Change from the Margins
How to make the sharing economy more equitable
platformpapers.substack.com
May 21, 2025 at 12:43 PM
Platform cooperatives are trying to make the sharing economy more equitable by competing against incumbents (e.g., Airbnb, Uber) from the margin. Read about how they try to do this in the latest #PlatformPapers blog here: platformpapers.substack.com/p/platform-c...
Academic research has long focused on how platforms have enabled innovation & economic growth, while accumulating immense power. But what happens when that power is wielded inconsistently? Annabelle Gawer & Martin Harraca discuss in the latest #PlatformPapers blog. open.substack.com/pub/platform...
December 9, 2025 at 9:15 AM
Academic research has long focused on how platforms have enabled innovation & economic growth, while accumulating immense power. But what happens when that power is wielded inconsistently? Annabelle Gawer & Martin Harraca discuss in the latest #PlatformPapers blog. open.substack.com/pub/platform...
Thank you @gjrietveld.bsky.social for the coverage of our research on competing with a platform on the #PlatformPapers substack!
How do complementors respond when the platform they rely on moves into their space and competes head on? That's the focus of the latest #PlatformPapers blog, and the answer depends on the extent complementors have outside options. platformpapers.substack.com/p/competing-...
Competing with Platforms
How complementors reposition when platforms compete with them head-on
platformpapers.substack.com
August 12, 2026 at 6:57 PM
Thank you @gjrietveld.bsky.social for the coverage of our research on competing with a platform on the #PlatformPapers substack!
Smaller slices of a growing pie. How do seller entry and market expansion balance each other out in the context of food delivery platforms? Oren Reshef reports on his excellent research in the latest #platformpapers blog! platformpapers.substack.com/p/smaller-sl...
March 28, 2024 at 12:46 PM
Smaller slices of a growing pie. How do seller entry and market expansion balance each other out in the context of food delivery platforms? Oren Reshef reports on his excellent research in the latest #platformpapers blog! platformpapers.substack.com/p/smaller-sl...
Digital platforms can help fill institutional voids. In the latest #PlatformPapers blog Aparajita Agarwal and Valentina Assenova discuss research showing how M-Pesa's #mobilemoney platform acts as a steppingstone to #financialinclusion for the unbanked.
Mobile Money as a Steppingstone to Financial Inclusion
How Digital Multisided Platforms Fill Institutional Voids
platformpapers.substack.com
April 29, 2025 at 2:01 PM
Digital platforms can help fill institutional voids. In the latest #PlatformPapers blog Aparajita Agarwal and Valentina Assenova discuss research showing how M-Pesa's #mobilemoney platform acts as a steppingstone to #financialinclusion for the unbanked.
If you are interested in #competition, specially on platforms, don't miss the latest blogpost on #PlatformPapers. We dig into how existing positioning strategy of complementors can define the way firms react to competition from a platform owner.
Full text platformpapers.substack.com/p/competing-...
Full text platformpapers.substack.com/p/competing-...
August 12, 2026 at 10:56 AM
If you are interested in #competition, specially on platforms, don't miss the latest blogpost on #PlatformPapers. We dig into how existing positioning strategy of complementors can define the way firms react to competition from a platform owner.
Full text platformpapers.substack.com/p/competing-...
Full text platformpapers.substack.com/p/competing-...
When AI lowers barriers to platform participation, who benefits? The latest #PlatformPapers post argues that the same #AI tool can democratize participation at the individual level while reinforcing inequality at the #platform level. platformpapers.substack.com/p/when-ai-lo...
When AI Lowers Barriers, Who Benefits?
The same AI tool can democratize participation at the individual level while reinforcing inequality at the platform level.
platformpapers.substack.com
September 10, 2026 at 9:00 AM
When AI lowers barriers to platform participation, who benefits? The latest #PlatformPapers post argues that the same #AI tool can democratize participation at the individual level while reinforcing inequality at the #platform level. platformpapers.substack.com/p/when-ai-lo...
In the latest #PlatformPapers blog, Paul Belleflamme, Eric Toulemonde and Martin Peitz argue that using market shares to proxy market power for digital platforms is complicated for several reasons. They offer insights to regulators, investors and managers.
platformpapers.substack.com/p/rethinking...
platformpapers.substack.com/p/rethinking...
Rethinking Market Power in the Digital Platform Era
Market share isn't everything.
platformpapers.substack.com
February 27, 2025 at 1:32 PM
In the latest #PlatformPapers blog, Paul Belleflamme, Eric Toulemonde and Martin Peitz argue that using market shares to proxy market power for digital platforms is complicated for several reasons. They offer insights to regulators, investors and managers.
platformpapers.substack.com/p/rethinking...
platformpapers.substack.com/p/rethinking...
Thousands of hotels are bringing a lawsuit against Booking.com. At the heart is Booking's "best price" clause. Such clauses can have myriad anticompetitive effects, seller collusion being one of them. Frank Schlutter explains on the #PlatformPapers blog. platformpapers.substack.com/p/the-impact...
The Impact of Platform Most-Favored Nation Clauses on Seller Competition
How platforms benefit when sellers collude on price
platformpapers.substack.com
August 7, 2025 at 11:57 AM
Thousands of hotels are bringing a lawsuit against Booking.com. At the heart is Booking's "best price" clause. Such clauses can have myriad anticompetitive effects, seller collusion being one of them. Frank Schlutter explains on the #PlatformPapers blog. platformpapers.substack.com/p/the-impact...
We often talk about needing to regulate powerful platforms, but such interventions can have unintended second-order effects. Read the latest #PlatformPapers blog where Allen Li and Gang Wang discuss regulatory interventions on US food-delivery platforms. platformpapers.substack.com/p/regulating...
Regulating Powerful Platforms
Unintended effects of imposing fee caps on US food-delivery platforms
platformpapers.substack.com
May 14, 2024 at 8:07 AM
We often talk about needing to regulate powerful platforms, but such interventions can have unintended second-order effects. Read the latest #PlatformPapers blog where Allen Li and Gang Wang discuss regulatory interventions on US food-delivery platforms. platformpapers.substack.com/p/regulating...
Online review platforms such as #TripAdvisor and #Yelp can help travelers avoid "tourist traps", but what is their effect on restaurant market composition and competition really? Dante Donati discusses these questions in the latest #PlatformPapers blog! open.substack.com/pub/platform...
How Review Platforms Reshape Competition
The End of Tourist Traps
open.substack.com
March 18, 2026 at 8:39 AM
Online review platforms such as #TripAdvisor and #Yelp can help travelers avoid "tourist traps", but what is their effect on restaurant market composition and competition really? Dante Donati discusses these questions in the latest #PlatformPapers blog! open.substack.com/pub/platform...
In 2019, GrubHub added 150,000 restaurants to its food-delivery platform ... without their knowledge! The latest PlatformPapers blog asks: What Happens When Platforms Add Suppliers Who Never Signed Up? open.substack.com/pub/platform...
What Happens When Platforms Add Suppliers Who Never Signed Up?
GrubHub added 150,000 restaurants ... without their knowledge
open.substack.com
April 23, 2026 at 12:39 PM
In 2019, GrubHub added 150,000 restaurants to its food-delivery platform ... without their knowledge! The latest PlatformPapers blog asks: What Happens When Platforms Add Suppliers Who Never Signed Up? open.substack.com/pub/platform...
Tomorrow is D(MA)-Day! The Digital Markets Act, Europe's framework targeted at gatekeeper companies went into effect last year. March 6, is the deadline for gatekeepers to submit their compliance plans. Read about it in the latest PlatformPapers blog. platformpapers.substack.com/p/6-march-is...
March 5, 2024 at 8:49 AM
Tomorrow is D(MA)-Day! The Digital Markets Act, Europe's framework targeted at gatekeeper companies went into effect last year. March 6, is the deadline for gatekeepers to submit their compliance plans. Read about it in the latest PlatformPapers blog. platformpapers.substack.com/p/6-march-is...
#Blockchain based initiatives (e.g. industry platforms for data sharing) are technologically #decentralized, but often they are owned and exploited by just one or a few companies. Read about this decentralization paradox in the latest #PlatformPapers blog. platformpapers.substack.com/p/the-platfo...
The Platform Governance Paradox
Why industry blockchain platforms struggle with centralization and decentralization
platformpapers.substack.com
August 27, 2025 at 12:53 PM
#Blockchain based initiatives (e.g. industry platforms for data sharing) are technologically #decentralized, but often they are owned and exploited by just one or a few companies. Read about this decentralization paradox in the latest #PlatformPapers blog. platformpapers.substack.com/p/the-platfo...
What happens when a star player leaves the market? In 'normal' markets you'd expect remaining firms to increase their output and sales, but not so much in platform markets. In the latest #PlatformPapers, what happened to Twitch streamers when Ninja left for Mixer? open.substack.com/pub/platform...
Star Wars
Why Ninja's sudden defection to Mixer made Twitch streamers less productive
open.substack.com
October 7, 2025 at 9:10 AM
What happens when a star player leaves the market? In 'normal' markets you'd expect remaining firms to increase their output and sales, but not so much in platform markets. In the latest #PlatformPapers, what happened to Twitch streamers when Ninja left for Mixer? open.substack.com/pub/platform...
In the latest #PlatformPapers blog, @anilrdoshi.com discusses work on #blockbuster projects in the #crowdfunding industry. When a platform has a hit, it triggers additional entry. Entry rates are higher on #Indiegogo, but of higher quality on #Kickstarter. platformpapers.substack.com/p/blockbuste...
Blockbuster Projects Send Waves Hitting All Platforms
Successful crowdfunding projects spill over to competing platforms
platformpapers.substack.com
September 23, 2025 at 8:04 AM
In the latest #PlatformPapers blog, @anilrdoshi.com discusses work on #blockbuster projects in the #crowdfunding industry. When a platform has a hit, it triggers additional entry. Entry rates are higher on #Indiegogo, but of higher quality on #Kickstarter. platformpapers.substack.com/p/blockbuste...
An oft-heard rebuttal to the dominance of #BigTech firms is that "competition is only one click away." But is competition really only one click away? Michelangelo Rossi discusses his research on Google Maps and the DMA in the latest #PlatformPapers blog. platformpapers.substack.com/p/is-competi...
Is Competition Really Only One Click Away?
What the DMA’s Google Maps experiment tells us about contestability in digital markets
platformpapers.substack.com
February 24, 2026 at 9:19 AM
An oft-heard rebuttal to the dominance of #BigTech firms is that "competition is only one click away." But is competition really only one click away? Michelangelo Rossi discusses his research on Google Maps and the DMA in the latest #PlatformPapers blog. platformpapers.substack.com/p/is-competi...