The Role of Self-Regulation in Corporate Governance

This paper assesses the effectiveness of self-regulation to promote investor interests. TheNetherlands provides an excellent opportunity to gather such evidence for two reasons. First,characteristics of the Dutch corporate governance structure have made it the recent focus ofattention by the European Union, the International Monetary Fund and countries (e.g., Korea)when deliberating issues of corporate governance. Second, during the period 1996-1998, aprivate sector initiative was undertaken to promote change in the balance of power betweenmanagement and investors. Not surprisingly, the United States Securities and ExchangeCommission has closely followed the Dutch "experiment" in self-regulation. We begin byidentifying corporate governance characteristics that are linked to firm value. We thencompare corporate governance characteristics and the relation between firm value and thesecharacteristics before and after the private sector initiative. We find that therecommendations of the private sector initiative had no substantive effect on corporategovernance characteristics or their relationship with firm value. Using event study techniqueswe document the market's skepticism about the successful evolution of corporate governancepractices in the Netherlands through self-regulation. The one exception to this generalconclusion is the market for new listings. Overall, our results confirm the importance ofshareholder voting rights, and who controls these rights, when considering the design of asuccessful self-regulation process.corporate governance;law and economics;financial economics;International economics

The Role of Self-Regulation in Corporate Governance: Evidence from the Netherlands

The purpose of this paper is to gather evidence on the success of market forces in promoting investor interests through self-regulation.Corporate governance is a complex mechanism design problem that is both economic and legal/political based.As such there is great interest in whether (and when) market forces alone are sufficient to prompt change, and whether (and when) additional legal/political actions are required to write and enforce contracts between the owners and managers of capital.The Netherlands provides an excellent opportunity to gather such information.In 1996, a private sector Committee was formed to initiate debate and change in the balance of power between a company's management and investors.In 1997, the Committee issued its recommendations and one year later the Committee initiated a project to assess the impact of the report.We identify the corporate governance variables that are linked to firm value and assess the impact of the committee's recommendations on the identified variables.Finally, we use event study techniques to assess investors reactions to the various events associated with the evolution of corporate governance practices in the Netherlands during this period.international economics;financial economics;law and economics;corporate governance

DELPHES 3, A modular framework for fast simulation of a generic collider experiment

The version 3.0 of the DELPHES fast-simulation is presented. The goal of DELPHES is to allow the simulation of a multipurpose detector for phenomenological studies. The simulation includes a track propagation system embedded in a magnetic field, electromagnetic and hadron calorimeters, and a muon identification system. Physics objects that can be used for data analysis are then reconstructed from the simulated detector response. These include tracks and calorimeter deposits and high level objects such as isolated electrons, jets, taus, and missing energy. The new modular approach allows for greater flexibility in the design of the simulation and reconstruction sequence. New features such as the particle-flow reconstruction approach, crucial in the first years of the LHC, and pile-up simulation and mitigation, which is needed for the simulation of the LHC detectors in the near future, have also been implemented. The DELPHES framework is not meant to be used for advanced detector studies, for which more accurate tools are needed. Although some aspects of DELPHES are hadron collider specific, it is flexible enough to be adapted to the needs of electron-positron collider experiments.Comment: JHEP 1402 (2014

The charm quark mass with dynamical fermions

We compute the charm quark mass in lattice QCD and compare different formulations of the heavy quark, and quenched data to that with dynamical sea quarks. We take the continuum limit of the quenched data by extrapolating from three different lattice spacings, and compare to data with two flavours of dynamical sea quarks with a mass around the strange at the coarsest lattice spacing. Both the FNAL and ALPHA formalism are used. We find the different heavy quark formulations have the same continuum limit in the quenched approximation, and limited evidence that this approximation overestimates the charm quark mass.Comment: Lattice2004(heavy) 3 pages, 2 figure

Testrun results from prototype fiber detectors for high rate particle tracking

A fiber detector concept has been realized allowing to registrate particles within less than 100 nsec with a space point precision of about 0.1 mm at low occupancy. Three full size prototypes have been build by different producers and tested at a 3 GeV electron beam at DESY. After 3 m of light guides 8-10 photoelectrons were registrated by multichannel photomultipliers providing an efficiency of more than 99%. Using all available data a resolution of 0.086 mm was measured.Comment: 18 pages, 17 figure

Soliton ratchets in homogeneous nonlinear Klein-Gordon systems

We study in detail the ratchet-like dynamics of topological solitons in homogeneous nonlinear Klein-Gordon systems driven by a bi-harmonic force. By using a collective coordinate approach with two degrees of freedom, namely the center of the soliton, $X(t)$, and its width, $l(t)$, we show, first, that energy is inhomogeneously pumped into the system, generating as result a directed motion; and, second, that the breaking of the time shift symmetry gives rise to a resonance mechanism that takes place whenever the width $l(t)$ oscillates with at least one frequency of the external ac force. In addition, we show that for the appearance of soliton ratchets, it is also necesary to break the time-reversal symmetry. We analyze in detail the effects of dissipation in the system, calculating the average velocity of the soliton as a function of the ac force and the damping. We find current reversal phenomena depending on the parameter choice and discuss the important role played by the phases of the ac force. Our analytical calculations are confirmed by numerical simulations of the full partial differential equations of the sine-Gordon and $\phi^4$ systems, which are seen to exhibit the same qualitative behavior. Our results are in agreement with recent experimental work on dissipation induced symmetry breaking.Comment: Minor corrections, several references added, accepted for publication in Chao

Characterization of high purity germanium point contact detectors with low net impurity concentration

High Purity germanium point-contact detectors have low energy thresholds and excellent energy resolution over a wide energy range, and are thus widely used in nuclear and particle physics. In rare event searches, such as neutrinoless double beta decay, the point-contact geometry is of particular importance since it allows for pulse-shape discrimination, and therefore for a significant background reduction. In this paper we investigate the pulse-shape discrimination performance of ultra-high purity germanium point contact detectors. It is demonstrated that a minimal net impurity concentration is required to meet the pulse-shape performance requirements