The spectacular failure of top-rated structured finance products has brought renewed attention to the conflicts of interest of Credit Rating Agencies (CRAs). We model both the CRA conflict of understating credit risk to attract more business, and the issuer conflict of purchasing only the most...

In some markets, such as the market for drugs or for financial services, sellers have better information than buyers regarding the matching between the buyer's needs and the good's actual characteristics. Depending on the market structure, this may lead to conflicts of interest and/or the...

The collapse of so many AAA-rated structured finance products in 2007-2008 has brought renewed attention to the causes of ratings failures and the conflicts of interest in the Credit Ratings Industry. We provide a model of competition among Credit Ratings Agencies (CRAs) in which there are three...

We study how relationship lending and transaction lending vary over the business cycle. We develop a model in which relationship banks gather information on their borrowers, which allows them to provide loans for profitable firms during a crisis. Due to the services they provide, operating costs...

This paper proposes a model of financial markets and corporate finance, with asymmetric information and no taxes, where equity issues, Bank debt and Bond financing may all co-exist in equilibrium. The paper emphasizes the relationship Banking aspect of financial intermediation: firms turn to...

This paper analyzes the transmission mechanisms of monetary policy in a general equilibrium model of securities markets and banking with asymmetric information. Banks' optimal asset/liability policy is such that in equilibrium capital adequacy constraints are always binding. Asymmetric...

For many goods (such as experience goods or addictive goods), consumers’ preferences may change over time. In this paper, we examine a monopolist’s optimal pricing schedule when current consumption can affect a consumer’s valuation in the future and valuations are unobservable. We assume...

This paper examines properties of optimal poverty assistance programs under different informational environments using an income maintenance framework. To that end, we make both the income generating ability and the disutility of labor of individuals unobservable, and compare the resulting...

Wage inequality in the United States has grown substantially in the past two decades. Standard supply-demand analysis in the empirics of inequality (e.g.Katz and Murphy (1992)) indicates that we may attribute some of this trend to an outward shift in the demand for high skilled labor. In this...

Interviewing in professional labor markets is a costly process for firms. Moreover, poor screening can have a persistent negative impact on firms’ bottom lines and candidates’ careers. In a simple dynamic model where firms can pay a cost to interview applicants who have private information...