Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/67730 
Erscheinungsjahr: 
2011
Schriftenreihe/Nr.: 
Queen's Economics Department Working Paper No. 1267
Verlag: 
Queen's University, Department of Economics, Kingston (Ontario)
Zusammenfassung: 
We study the trading dynamics in an asset market where the quality of assets is private information of the owner and finding a counterparty takes time. When trading of a financial asset ceases in equilibrium as a response to an adverse shock to asset quality, a large player can resurrect the market by purchasing bad assets which involves financial losses. The equilibrium response to such a policy is intricate as it creates an announcement effect: a mere announcement of intervening at a later point in time can cause markets to function again. This effect leads to a gradual recovery in trading volume, with asset prices converging non-monotonically to their normal values. The optimal policy is to intervene immediately at a minimal scale when markets are deemed important and losses are small. As losses increase and the importance of the market declines, the optimal intervention is delayed and it can be desirable to rely more on the announcement effect by increasing the size of the intervention. Search frictions are important for all these results. They compound adverse selection, making a market more fragile with respect to a classic lemons problem. They dampen the announcement effect and cause the optimal policy to be more aggressive, leading to an earlier intervention at a larger scale.
Schlagwörter: 
Trading Dynamics
Adverse Selection
Search
Intervention in Asset Markets
Announcement Effect
JEL: 
G1
E6
Dokumentart: 
Working Paper

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