Hajime Tomura - Latest
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A Note on Central Counterparties in Repo Markets
The author introduces a central counterparty (CCP) into a model of a repo market. Without the CCP, there exist multiple equilibria in the model. In one of the equilibria, a repo market emerges as bond dealers and cash investors choose to arrange repos in an over-the-counter bond market. -
May 19, 2011
Understanding and Measuring Liquidity Risk: A Selection of Recent Research
During the recent financial crisis, one of the forces set in motion by the initial losses on subprime-mortgage loans was a significant decline in the market liquidity of assets and in the ability of financial institutions to obtain funding in wholesale markets. In this article, the authors summarize recent research that clarifies the role of liquidity in destabilizing the financial system and examine the implications of this research for the recently announced financial system reforms, including Basel III. -
Liquidity Transformation and Bank Capital Requirements
This paper presents a dynamic general equilibrium model where asymmetric information about asset quality leads to asset illiquidity. Banking arises endogenously in this environment as banks can pool illiquid assets to average out their idiosyncratic qualities and issue liquid liabilities backed by pooled assets whose total quality is public information. -
Optimal Monetary Policy during Endogenous Housing-Market Boom-Bust Cycles
This paper uses a small-open economy model for the Canadian economy to examine the optimal Taylor-type monetary policy rule that stabilizes output and inflation in an environment where endogenous boom-bust cycles in house prices can occur. -
Heterogeneous Beliefs and Housing-Market Boom-Bust Cycles in a Small Open Economy
This paper introduces heterogeneous beliefs among households in a small open economy model for the Canadian economy. The model suggests that simultaneous boom-bust cycles in house prices, output, investment, consumption and hours worked emerge when credit-constrained mortgage borrowers expect that future house prices will rise and this expectation is neither shared by savers nor realized ex-post. -
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A Model of Housing Boom and Bust in a Small Open Economy
This paper considers a dynamic stochastic general equilibrium model for a small open economy and finds that an improvement in the terms of trade causes a housing boom-bust cycle if the duration of the improvement is uncertain. -
Firms Dynamics, Bankruptcy Laws and Total Factor Productivity
This paper analyzes endogenous fluctuations in total factor productivity (TFP) in a dynamic general equilibrium model with heterogeneous agents, and illustrates the interaction of credit market frictions, asset prices, the entry and exit of firms, and fluctuations in TFP in response to firm-level productivity and aggregate credit-market shocks. I also analyze the effect of bankruptcy and foreclosure laws on fluctuations in TFP through their effect on credit market frictions.