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The Peter Principle states that employees tend to be promoted until they reach their level of incompetence. In a sophisticated simulation study, Pluchino et al (2010) confirmed a version of the principle. However, they also noted that their model has the counterintuitive consequence that “the best ways for improving the efficiency of a given organization are either to promote each time an agent at
Fuel cell (FC) is a device that gives us electrical and thermal energy from the chemical energy present in the fuels involved during the conversion process. The chemical conversion process occurs thanks to the different constitutive layers in the FC, i.e., active layer, anode/cathode support layer, catalyst layer, gas diffusion later and electrolyte. Most of them have the characteristic to allow t
The aim of this study is to investigate whether the occurrence of lexical tones in a language imposes restrictions on its pitch range. We use data from Kammu, a Mon-Khmer language spoken in Northern Laos, which has one dialect with, and one without, lexical tones. The main finding is that speakers of the tonal dialect have a narrower pitch range, and also a smaller variation in pitch range.
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