نتایج جستجو برای: productivity

تعداد نتایج: 85318  

2007
Harald Baayen Jennifer Hay

Morphological productivity is generally seen as affix-driven, with a given affix selecting base words satisfying a range of formal and semantic selectional restrictions. Plag (1999), however, has shown that there are base-driven selectional restrictions, and Hay (2000) and Hay & Baayen (2002) have shown that the frequency relation between derived and base word is correlated with affix productiv...

2007

An important recent development has been the emergence o f a body o f literature by Harva rd economists emphasizing a collective voice/insti tutional response (CV/IR) view of unionism, t Possibly the most controversial aspect o f this literature (hereafter, the Harva rd studies) concerns the effects o f unions on labor productivity. Utilizing a product ion function approach, Brown and Medof f (...

2001

Good morning. When CEDA approached me about speaking today, I was asked to concentrate on longer-term developments that will have a bearing on Australia’s future economic performance. Such an offer seemed hard to refuse, and so I looked around for a topic on which I could hopefully say something of interest. Given the impressive productivity growth that has been experienced over the past decade...

2002
G. Bonvicini

A Time Projection Chamber (TPC) is one of the promising candidates to perform unique measurements in solar neutrino physics. Its features will enable it to work at depths of the order of 2000 mwe. This paper describes an estimation of the expected cosmogenic background at different depths including also the background due to fission activation of the TPC material above ground.

Journal: :The American naturalist 2016
Benjamin Yguel Hervé Jactel Ian S Pearse Daniel Moen Marten Winter Joaquin Hortal Matthew R Helmus Ingolf Kühn Sandrine Pavoine Oliver Purschke Evan Weiher Cyrille Violle Wim Ozinga Martin Brändle Igor Bartish Andreas Prinzing

Theory suggests that the structure of evolutionary history represented in a species community may affect its functioning, but phylogenetic diversity metrics do not allow for the identification of major differences in this structure. Here we propose a new metric, ELDERness (for Evolutionary Legacy of DivERsity) to estimate evolutionary branching patterns within communities by fitting a polynomia...

2001
CARLO BROGGINI

Two methods are discussed for the solar neutrino spectroscopy in the sub-MeV region: absorption in a loaded liquid scintillator and elastic scattering in a TPC. The different neutrino oscillation solutions predict a strong effect in this energy region where the largest fraction (∼98%) of solar neutrinos lies. Both projects have reached the stage where they have to prove their capability to atta...

Journal: :Educational Technology & Society 2011
Omar F. El-Gayar Mark Moran Mark Hawkes

This research develops and empirically tests a factor model for understanding college students’ acceptance of Tablet PC (TPC) as a means to forecast, explain, and improve their usage pattern in education. The analysis involved more than 230 students from a regional Midwestern institution. Overall, our model exhibited a good fit with the data and provided satisfactory explanatory power for stude...

2011
Felix Bierbrauer

We study how an optimal income tax and an optimal public-goods provision rule respond to preference and productivity shocks. A conventional Mirrleesian treatment is shown to provoke manipulations of the policy mechanism by individuals with similar interests. We therefore extend the Mirrleesian model so as to include a requirement of coalition-proofness. The main results are the following: first...

2015
J. Christina Wang

Labor productivity (LP) in the United States has gone from being procyclical to acyclical since the mid1980s. Using industry-level data, this paper first shows that total factor productivity (TFP), which is LP net of capital deepening, has also become much less correlated with output as well as inputs over the same period. Moreover, the bulk of the decline in aggregate TFP’s cyclicality is attr...

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