Christian Zimmermann

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Brain imaging based on functional magnetic resonance (fMRI) is a useful tool for examination of neuronal networks and cerebral structures subserving visiospatial function. The purpose of this study was to compare the brain activity during chewing and occlusal function in centric occlusion on natural teeth or on occlusal splints. Four tasks were performed by(More)
Using a general equilibrium life cycle model with endogenous labor supply and idiosyncratic risks in both income and medical expenses, we argue that employment-based health insurance is an important reason why Americans work much more than Europeans. In contrast to Europeans, who get universal health insurance from the government , most working-age(More)