The premium on "on-the-run" Treasuries (i.e. the most recently issued ones) is an anomaly. I explain it using a model in which primary dealers hold inventories of Treasuries. Primary dealers are more likely to hold large inventories of on-the-run Treasuries. There is also less variation across...

We analyse a regulatory change in the Japanese IPO market that created an abrupt shift from hybrid price-discriminatory auctions to bookbuilding. We find that bookbuilding leads to significantly higher underpricing than hybrid price-discriminatory auctions. Further, we find evidence that price...