Examining links between affective empathy,cognitive empathy,and peer relationships at the transition to school

The current study aimed to (i) examine associations across features of affective and cognitive empathy, and (ii) explore their independent role for children's peer relationships at the transition to school. Affective empathy was measured using both observations of children's facial affect during an empathy-eliciting event and dispositional affective empathy to peer distress via teacher report. Cognitive empathy was measured using an index of children's proclivity to engage in perspective taking when witnessing the distress of another. Children's theory of mind was also assessed given close links with cognitive empathy. Participants were 114 Australian children (M_age = 67 months, SD = 5 months) assessed across two sessions during their first year of formal schooling. Findings showed that features of children's affective and cognitive empathy were unrelated, but both showed independent associations with children's positive peer relationships (assessed via peer-reported social preference and teacher-rated peer social maturity). The current study provides support for the delineation between features of affective and cognitive empathy in early school-age children, and the importance of understanding both affective and cognitive empathy for children's peer relationships at the transition to school. These findings have implications how we understand both the nature of empathy in childhood and the role it plays in supporting children's positive peer relationships.     

Left-censored dementia incidences in estimating cohort effects

Lifetime Data Analysis - We estimate the dementia incidence hazard in Germany for the birth cohorts 1900 until 1954 from a simple sample of Germany’s largest health insurance company....     

The Cost of Low Fertility in Europe

We analyze the effect of fertility on income per capita with a particular focus on the experience of Europe. For European countries with below-replacement fertility, the cost of continued low fertility will only be observed in the long run. We show that in the short run, a fall in the fertility rate will lower the youth dependency ratio and increase the working-age share, thus raising income per capita. In the long run, however, the burden of old-age dependency dominates the youth dependency decline, and continued low fertility will lead to small working-age shares in the absence of large migration inflows. We show that the currently very high working-age shares generated by the recent declines in fertility and migration inflows are not sustainable, and that significant drops in the relative size of the working-age population should be expected. Without substantial adjustments in labor force participation or migration policies, the potential negative repercussions on the European economy are large.     

Economic Models for Single Sample Acceptance Sampling Plans,No Inspection,and 100 Percent Inspection

Once a process is stabilized using control charts, it is necessary to determine whether this process is capable of producing die desired quality, as determined by the specifications, without the use of some additional inspection procedure such as 100 percent inspection or acceptance sampling. One common method of making this determination is the use of process capability ratios. However, this approach may lead to erroneous decisions due to the omission of economic information. This paper attempts to remedy this situation by developing economic models to examine the profitability of different inspection policies. These models employ the quadratic loss function to represent the economic cost of quality from external failures, which is commonly omitted or overlooked. Moreover, assuming a normal distribution for the quality characteristic allows the use of simplified formulas that are provided. Thus the calculations can be made using standard normal tables and a calculator. Additionally, these economic models may be used to determine if additional inspection procedures should be reinstated if the quality of the process was to decline, to make capital budgeting decisions involving new equipment that produces parts of a higher quality, and to determine the preferred 100 percent inspection plan or acceptance sampling plan.