منابع مشابه
loyal opposition On the Declarative Specification of Models
C olleagues in my research group and in collaborating institutions typically model software designs using graph-ical tools such as Rational Rose, Together, and Visio. I often witness them toiling to adjust a graph's appearance with the mouse or laboriously visiting each class to change a single field's type. This need not be so. Design models should be composed textually, and graphs should be a...
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This paper examines the factors underlying task discretion from an economist’s perspective. It argues that the key axis for understanding discretion is the trade-off between the positive effects of discretion on potential output per employee and the negative effects of greater leeway on work effort. In empirical analysis using matched employer-employee data it is shown that discretion is strong...
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Do store brands help differentiate a store to attract store loyal consumers? Or do they attract price sensitive cherry pickers who are not store loyal? To answer these questions empirically, the authors construct appropriate metrics of store brand loyalty and store loyalty, that do not impose mathematical relationships between the two variables—a problem with recent works in this area. Using da...
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This is quite a paradoxical era. Scientific research is in its most productive phase and it continues to produce many beneficial technologies for mankind. For example, we rapidly progress towards a better understanding of many diseases and come up with multiple new approaches to cure them. At the same time, however, the voices against science and technology have never been more shrill. But unsu...
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ژورنال
عنوان ژورنال: Science
سال: 2018
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.360.6394.1175