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Nocke, Volker; Whinston, Michael - C.E.P.R. Discussion Papers - 2008

We analyze the optimal dynamic policy of an antitrust authority towards horizontal mergers when merger proposals are endogenous and occur over time. Approving a currently proposed merger will affect the profitability and welfare effects of potential future mergers, the characteristics of which...

Persistent link: https://www.econbiz.de/10005656370

Increased Correlation in Bear markets: A Downside Risk Perspective

Campbell, Rachel; Koedijk, Kees; Kofman, Paul - C.E.P.R. Discussion Papers - 2002

A number of studies have provided evidence of increased correlation in global financial market returns during bear … implied correlation based on portfolio downside risk measures that does not suffer from this bias. These unbiased quantile … correlation estimates are directly applicable to portfolio optimization and to risk management techniques in general. This simple …

Persistent link: https://www.econbiz.de/10005124110

Extreme Correlation of International Equity Markets

Longin, François; Solnik, Bruno H - C.E.P.R. Discussion Papers - 2000

Testing the hypothesis that international equity market correlation increases in volatile times is a difficult exercise … and misleading results have often been reported in the past because of a spurious relationship between correlation and … volatility. This paper focuses on extreme correlation, that is to say the correlation between returns in either the negative or …

Persistent link: https://www.econbiz.de/10005504611

The Supermodular Stochastic Ordering

Meyer, Margaret A; Strulovici, Bruno - C.E.P.R. Discussion Papers - 2013

In many economic applications involving comparisons of multivariate distributions, supermodularity of an objective function is a natural property for capturing a preference for greater interdependence. One multivariate distribution dominates another according to the `supermodular stochastic...

Persistent link: https://www.econbiz.de/10011083601

Governance and Comovement Under Common Ownership

Edmans, Alex; Levit, Doron; Reilly, Devin - C.E.P.R. Discussion Papers - 2014

derive empirical predictions for the direction of correlation and for whether governance is stronger or weaker with multiple …

Persistent link: https://www.econbiz.de/10011084086

Price Stability as a Nash Equilibrium in Monetary Open-Economy Models

Benigno, Gianluca; Benigno, Pierpaolo - C.E.P.R. Discussion Papers - 2001

A two-country dynamic general-equilibrium model with imperfect competition and price stickiness is considered. This work shows the conditions under which price stability can implement the flexible-price allocation as a Nash equilibrium. This is possible if and only if both countries maintain a...

Persistent link: https://www.econbiz.de/10005136428

The Sustainability of Optimal Cooperative Macroeconomic Policies in a Two-Country World

Currie, David; Levine, Paul L - C.E.P.R. Discussion Papers - 1986

The paper investigates the sustainability of cooperative rules for the conduct of macroeconomic policy in a two-country world. The problem is set out as a supergame in which the threat strategy is to switch to a Nash non-cooperative equilibrium. A number of possible non-cooperative equilibria...

Persistent link: https://www.econbiz.de/10005281334

Ramsey Monetary Policy and International Relative Prices

Faia, Ester; Monacelli, Tommaso - C.E.P.R. Discussion Papers - 2004

We analyse welfare-maximizing monetary policy in a dynamic general equilibrium two-country model with price stickiness and imperfect competition. In this context, a typical terms of trade externality affects policy interaction between independent monetary authorities. Unlike the existing...

Persistent link: https://www.econbiz.de/10005114306

Participation Games: Market Entry, Coordination and the Beautiful Blonde

Anderson, Simon P; Engers, Maxim - C.E.P.R. Discussion Papers - 2005

We find the Nash equilibria for monotone n-player symmetric games where each player chooses whether to participate. Examples include market entry games, coordination games, and the bar-room game depicted in the movie 'A Beautiful Mind'. The symmetric Nash equilibrium involves excessive...

Persistent link: https://www.econbiz.de/10005662078

How Should Control Theory be Used by a Time-Consistent Government?

Cohen, Daniel; Michel, Philippe - C.E.P.R. Discussion Papers - 1986

It has been recognized that the optimal strategy of a government is generally time-inconsistent: optimality requires that the government take into account expectations effects in the formulation of its policy and to ignore these effects when applying the policy. In order to analyse the problem,...

Persistent link: https://www.econbiz.de/10005666548