The poor performance of credit ratings on structured finance products has prompted investigation into the role of Credit Rating Agencies (CRAs) in designing and marketing these products. We analyze a two-period reputation model where a CRA both designs and rates securities that are sold to...

In this paper, we show how the interaction between costly screening and competition in decentralized markets may prevent efficient matching. We examine this phenomenon in a simple dynamic model of a professional labor market, where firms can pay a cost to interview applicants who have private...

The poor performance of credit ratings of structured finance products in the financial crisis has prompted investigation into the role of credit rating agencies (CRAs) in designing and marketing these products. We analyze a two-period reputation model in which a CRA both designs and rates...

We present evidence of cheating that took place in online examinations during COVID-19 lockdowns and propose two solutions with and without a camera for the cheating problem based on the experience accumulated by online chess communities over the past two decades. The best implementable solution...

This dissertation consists of three chapters where the first two chapters study models ofbargaining over decision rights and the third chapter studies a model of contests.In the first chapter, "Selling Authority," I consider bargaining over decision-making authorityin which an informed but...

In the first chapter, ¡°All-Pay Auctions with Resale¡±, I study equilibria of first- and second-price all-pay auctions with resale when players' signals are affiliated and symmetrically distributed. I show that existence of resale possibilities introduces an endogenous element to players'...

This dissertation consists of three essays, the first two on the foreign exchange market and the third on credit markets.Chapter 2 examines empirically the exchange rateinterest differential relationship in a co-integration framework. We test and estimate an error correction model (ECM) for the...