When firms can identify their past customers, they may use information about purchase histories in order to price discriminate. We present a model with a monopolist and a continuum of heterogeneous consumers, where consumers can opt out from being identified, possibly at a cost. We find that...

Digital platforms are not only match-making intermediaries but also establish internal rules that govern all users in their ecosystems. To better understand the governing role of platforms, we study two Airbnb pro-guest rules that pertain to guest and host cancellations, using data on Airbnb and...

Title III, codified at Title 18 USC \S\S 2510-2521, allows for federal and state law enforcement interceptions of wire, oral, or electronic communications, which requires obtaining a court order. For the two parallel court systems in the United States, however, the operational standard being...

Some argue that large platforms, such as Alphabet/Google, Amazon, Apple, Facebook and Microsoft (or GAFAM), are unusual in their number, pace and concentration of technology mergers, with the potential to harm market competition. Using a unique taxonomy developed by S&P Global Market...

Several major grocery chains in the US own factories that produce some of their store-brand products. Historically, these store-brand products have been the low-price, lower-quality alternatives to higher-priced national brands, but the quality and consumer acceptance of store brands have...

We study the dynamics in a partnership between a university and a developing region. We examine how the university achieves its goals to improve and advertise its offerings while recruiting a cohort of students from the developing region, and maintaining a sustainable relationship with the...

Recent supply-chain models that study competition among capacity-constrained producers omit the possibility of producers strategically setting wholesale prices to create uncertainty with regards to (that is, to obfuscate) their production capacities. To shed some light on this possibility, we...