منابع مشابه
How Fast Do Old Men Slow Down?
Abrtmcr-An important question in the study of aging concerns the rate at which people physically deteriorate with age. HOW much, for example. CB~ be physically expected of, say, a healthy, non-injured 75.year-old man or woman relative to what be or she could do at ape 4% This paper applies econometric techniques to data on men’s track and field and road racing remrds by age to estimate the rate...
متن کاملSlow down, you move too fast!
One way to characterize students' representations is to distinguish between concrete, semi-concrete, semi-abstract and abstract representations. In a previous study with 6-year olds we surprisingly found that – while solving a combinatorial task the children who used semi-concrete representations in their documentations were more systematic in the process of finding solutions with less duplicat...
متن کامل"Slow down, you move too fast".
If you live in Barrington, you’ve seen the bright blue cars driving around town with driver’s ed teachers and their students. Those cars with the extra brake on the front passenger side belong to Joyce’s Driving School, located at 120 lageschulte Street near the high school. owned by Joyce younger, the school and its philosophy was inspired after younger observed her daughter’s driver’s ed expe...
متن کاملDo Stops Slow Down Electroweak Bubble Walls ?
We compute the wall velocity in the MSSM. We therefore generalize the SM equations of motion for bubble walls moving through a hot plasma at the electroweak phase transition and calculate the friction terms which describe the viscosity of the plasma. We give the general expressions and apply them to a simple model where stops, tops and W bosons contribute to the friction. In a wide range of par...
متن کاملHow fast elements can affect slow dynamics
A chain of coupled chaotic elements with different time scales is studied. In contrast with the adiabatic approximation, we find that correlations between elements are transferred from faster to slower elements when the differences in the time scales of the elements lie within a certain range. For such correlations to occur, three features are essential: strong correlations among the elements, ...
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ژورنال
عنوان ژورنال: The Review of Economics and Statistics
سال: 1994
ISSN: 0034-6535
DOI: 10.2307/2109829