نتایج جستجو برای: time trade off
تعداد نتایج: 2087541 فیلتر نتایج به سال:
BACKGROUND AND AIMS A ban on multi-buy discounts of off-trade alcohol was introduced as part of the Alcohol Act in Scotland in October 2011. The aim of this study was to assess the impact of this legislation on alcohol sales, which provide the best indicator of population consumption. DESIGN, SETTING AND PARTICIPANTS Interrupted time-series regression was used to assess the impact of the Alco...
We investigate the risk–return trade-off on US and European stock markets. non-linear with a special eye to tails of returns using quantile regressions. first consider market portfolio. find that is significantly positive at upper tail (0.9 quantile), where large excess returns. The as expected from asset pricing models. For lower (0.1 for negative returns, negative. Additionally, median (0.5 i...
We investigate the risk-return trade-off on US and European stock markets. non-linear with a special eye to tails of returns using quantile regressions. first consider market portfolio. find that is significantly positive at upper tail (0.9 quantile), where large excess returns. The as expected from asset pricing models. For lower (0.1 for negative returns, negative. And median (0.5 insignifica...
Behaviors recruit multiple, mutually substitutable types of cognitive resources (e.g., data acquisition and memorization in comparative visual search), and the allocation of resources is performed in a cost-optimizing way. If costs associated with each type of resource are manipulated, e.g., by varying the complexity of the items studied or the visual separation of the arrays to be compared, ac...
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