We develop a framework to explore the effect of credit ratings on loan origination and securitization. In the model, banks privately screen and originate loans and then issue securities that are backed by loan cash flows. Issued securities are rated and sold to investors.Without ratings, banks...

This paper explores the incentives of product designers to complexify products, and the resulting implications for overall product quality. In our model, a consumer can accept or reject a product proposed by a designer, who can affect the quality and the complexity of the product. While the...