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Hurst and Lusardi (2004) recently challenged the long-standing belief that liquidity constraints are important causal determinants of entry into self-employment. They demonstrate that the oft-cited positive relationship between entry rates and assets is actually unchanging as assets increase from the 1st to the 95th percentile of the asset distribution, but… (More)
The purpose of this study was to verify the performance of recently developed body-worn sensor packs against 3D motion analysis of trunk and lower-limb movements. Five sensor packs, each consisting of rate gyroscope and two 2-D accelerometers controlled by a microprocessor were attached to the trunk, thighs, and shanks of an able bodied subject. A 6-camera… (More)
Auditory icons – or environmental sounds – have the potential to convey information by non-verbal means quickly and accurately. In addition, human listeners are quick to determine many qualities of an auditory object, such as location, distance, size, and motion, from acoustics of the signal. An experiment tests these two coupled assumptions in a controlled… (More)
Entrepreneurs who found new firms tend to work as employees in small rather than large firms prior to start-up and have previous experience of entrepreneurship. We provide a model of self-selection based on heterogeneous risk preferences which can explain these stylized facts.
Introduction. Ground-level falls are typically regarded as a minor mechanism of injury that do not necessitate trauma team activation; however, they represent a significant proportion of hospitalised trauma and can result in multisystem injury. Case Presentation. A 79-year-old nursing home resident was brought to the emergency department following an… (More)
Any opinions expressed here are those of the author(s) and not those of IZA. Research published in this series may include views on policy, but the institute itself takes no institutional policy positions. The Institute for the Study of Labor (IZA) in Bonn is a local and virtual international research center and a place of communication between science,… (More)
(as well as seminar participants in various places) for helpful comments. We are particularly grateful to two anonymous referees, whose perceptive remarks led to major improvements in the paper. Abstract Analysts should correct for distributional differences before undertaking local progressivity comparisons between income tax or tax and benefit schedules.… (More)