Software platforms are a critical component of the computer systems underpinning leading? edge products ranging from third? generation mobile phones to video games. After describing some key economic features of computer systems and software platforms, the paper presents case studies of personal...

We apply and extend the cost-based approach to bundling and tying under competition developed in Evans and Salinger (2004a) to over-the-counter pain relievers and cold medicines. We document that consumers pay much less for tablets with multiple ingredients than they would to buy tablets with...

We apply and extend the cost-based approach to bundling and tying under competition developed in Evans and Salinger (2004) to over-the-counter pain relievers and cold medicines. We document that consumers pay much less for tablets with multiple ingredients than they would if they bought tablets...

We examine the impact to date of the Reserve Bank of Australia's decision to reduce interchange fees on credit cards in Australia by almost half. We find that, in the short run, issuers have recovered between 30 and 40 percent of the loss of interchange fees. Merchants have benefited from lower...

Software platforms are the invisible engines that have created, touched, or transformed nearly every major industry for the past quarter century. They power everything from mobile phones and automobile navigation systems to search engines and web portals. They have been the source of enormous...