Steffen Reinhold

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Density waves are characteristic for fluidized beds and affect measurements on liquidlike dynamics in fluidized granular media. Here the intensity autocorrelation function as obtainable with diffusing-wave spectroscopy is derived in the presence of density waves. The predictions by the derived form of the intensity autocorrelation function match(More)
Theory shows that vertical integration has contrasting two effects, efficiency and foreclosure effects. This study empirically estimates the relative size of these two effects. Unlike previous studies, I focus on a single vertical merger in order to use a panel dataset, and estimate its average treatment effects on the several market outcomes. The findings(More)
Theory shows that vertical integration has contrasting two effects, efficiency and foreclosure effects. This study empirically estimates the relative size of these two effects. Unlike previous studies, I focus on a single vertical merger in order to use a panel dataset, and estimate its average treatment effects on the several market outcomes. The findings(More)
This paper applies recent developments in the treatment effects literature to the traditional static model of the effect of transfer programs on labor supply. Preferences are allowed to be heterogeneous, which generates heterogeneity in the labor supply effect of transfer program participation on the basis of both observables and unobservables. The(More)
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