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Working Paper
Trading dynamics in decentralized markets with adverse selection
The authors study a dynamic, decentralized lemons market with one-time entry and characterize its set of non-stationary equilibria. This framework offers a theory of how a market suffering from adverse selection recovers over time endogenously; given an initial fraction of lemons, the model provides sharp predictions about how prices and the composition of assets evolve over time. Comparing economies in which the initial fraction of lemons varies, the authors study the relationship between the severity of the lemons problem and market liquidity. They use this framework to understand how ...
Discussion Paper
Size Is Not All: Distribution of Bank Reserves and Fed Funds Dynamics
As a consequence of the Federal Reserve’s large-scale asset purchases from 2008-14, banks’ reserve balances at the Fed have increased dramatically, rising from $10 billion in March 2008 to more than $2 trillion currently. In that new environment of abundant reserves, the FOMC put in place a framework for controlling the fed funds rate, using the interest rate that it offered to banks and a different, lower interest rate that it offered to non-banks (and banks). Now that the Fed has begun to gradually reduce its asset holdings, aggregate reserves are shrinking as well, and an important ...
Working Paper
Competing with asking prices
In many markets, sellers advertise their good with an asking price. This is a price at which the seller is willing to take his good off the market and trade immediately, though it is understood that a buyer can submit an offer below the asking price and that this offer may be accepted if the seller receives no better offers. Despite their prevalence in a variety of real world markets, asking prices have received little attention in the academic literature. We construct an environment with a few simple, realistic ingredients and demonstrate that using an asking price is optimal: it is the ...
Working Paper
Market-making with Search and Information Frictions
We develop a dynamic model of trading through market-makers that incorporates two canonical sources of illiquidity: trading (or search) frictions, which imply that market-makers have some amount of market power; and information frictions, which imply that market-makers face some degree of adverse selection. We use this model to study the effects of various technological innovations and regulatory initiatives that have reduced trading frictions in over-the-counter markets. Our main result is that reducing trading frictions can lead to less liquidity, as measured by bid-ask spreads. The key ...
Journal Article
Breaking the ice: government interventions in frozen markets
When subprime mortgage defaults started mounting in 2007, financial institutions found themselves unable to profitably sell off these soured investments or raise new equity. As these institutions struggled to reduce their leverage, consumers and firms alike found it increasingly difficult to borrow, which helped trigger a deep recession. Within the context of two popular explanations for the freeze ? asymmetric information and debt overhang ? Benjamin Lester discusses the costs and benefits of policies aimed at thawing markets in a crisis, including direct asset purchases, equity injections, ...
Working Paper
INFORMATION SPILLOVERS, GAINS FROM TRADE, AND INTERVENTIONS IN FROZEN MARKETS
We study government interventions in markets suffering from adverse selection. Importantly, asymmetric information prevents both the realization of gains from trade and the production of information that is valuable to other market participants. We find a fundamental tension in maximizing welfare: While some intervention is required to restore trading, too much intervention depletes trade of its informational content. We characterize the optimal policy that balances these two considerations and explore how it depends on features of the environment. Our model can be used to study a program ...
Working Paper
The Heterogeneous Impact of Referrals on Labor Market Outcomes
We document a new set of facts regarding the impact of referrals on labor market outcomes. Our results highlight the importance of distinguishing between different types of referrals—those from family and friends and those from business contacts—and different occupations. Then we develop an on-the-job search model that incorporates referrals and calibrate the model to key moments in the data. The calibrated model yields new insights into the roles played by different types of referrals in the match formation process and provides quantitative estimates of the effects of referrals on ...
Working Paper
Screening and Adverse Selection in Frictional Markets
We incorporate a search-theoretic model of imperfect competition into a standard model of asymmetric information with unrestricted contracts. We characterize the unique equilibrium, and use our characterization to explore the interaction between adverse selection, screening, and imperfect competition. We show that the relationship between an agent?s type, the quantity he trades, and the price he pays is jointly determined by the severity of adverse selection and the concentration of market power. Therefore, quantifying the effects of adverse selection requires controlling for market ...
Working Paper
Excess Reserves and Monetary Policy Implementation
In response to the Great Recession, the Federal Reserve resorted to several unconventional policies that drastically altered the landscape of the federal funds market. The current environment, in which depository institutions are flush with excess reserves, has forced policymakers to design a new operational framework for monetary policy implementation. We provide a parsimonious model that captures the key features of the current federal funds market along with the instruments introduced by the Federal Reserve to implement its target for the federal funds rate. We use this model to analyze ...
Journal Article
Why ask? the role of asking prices in transactions
Benjamin Lester explores why sellers sometimes use negotiable asking prices and why this method can lead to more efficient outcomes.