New Books In Economics

Transactions have always taken place. For hundreds of years that 'place' was a market or, more recently, a shopping mall. But in the past two decades these physical locations have increasingly been replaced by their virtual counterparts - online platforms. In this book Michael Munger explains how these platforms act as matchmakers or middlemen, a role traders have adopted since the very first exchanges thousands of years ago. The difference today is that the matchmakers often play no direct part in buying or selling anything - they just help buyers and sellers find each other. Their major contribution has been to reduce the costs of organizing and completing purchases, rentals or exchanges. The Sharing Economy: Its Pitfalls and Promises (Institute of Economic Affairs, 2021) contends that the key role of online platforms is to create reductions in transaction costs and it highlights the importance of three 'Ts' - triangulation, transfer and trust - in bringing down those costs. Professor Munger trained as an e