Amiyatosh's research covers a wide range of topics in banking, real estate, corporate finance and credit risk. His recent research work is mostly related to banking, subprime crisis, mortgage finance, and incentives of government agencies. These papers analyze causes and consequences of financial crisis, measurement and reporting of risk in banking sector, design of mortgage-backed-securities, incentive issues in securitization markets, and the effect of market pressure on bureaucracies' actions. Some of his earlier work has analyzed the effect of default risk on corporate financial policies, and equity returns. In addition, several of his papers focus on corporate financing decisions involving IPOs and SEOs. His research has been published in leading journals such as Journal of Financial Economics, Journal of Finance, Review of Financial Studies, Review of Finance, and Journal of Monetary Economics. He currently serves as an Editor of Review of Finance and Associate Editor of Review of Financial Studies, Journal of Financial Intermediation, Journal of Banking and Finance, and International Review of Finance.