40 research outputs found
Overcoming the Impasse in Modern Economics
This document is the Accepted Manuscript version of the following article: Francesca Gagliardi, and David Gindis, 'Overcoming the Impasse in Modern Economics', Competition and Change, Vol. 15 (4): 336-42, November 2011, doi: 10.1179/102452911X13135903675732. Published by SAGE.Peer reviewe
Age at first birth in women is genetically associated with increased risk of schizophrenia
Prof. Paunio on PGC:n jäsenPrevious studies have shown an increased risk for mental health problems in children born to both younger and older parents compared to children of average-aged parents. We previously used a novel design to reveal a latent mechanism of genetic association between schizophrenia and age at first birth in women (AFB). Here, we use independent data from the UK Biobank (N = 38,892) to replicate the finding of an association between predicted genetic risk of schizophrenia and AFB in women, and to estimate the genetic correlation between schizophrenia and AFB in women stratified into younger and older groups. We find evidence for an association between predicted genetic risk of schizophrenia and AFB in women (P-value = 1.12E-05), and we show genetic heterogeneity between younger and older AFB groups (P-value = 3.45E-03). The genetic correlation between schizophrenia and AFB in the younger AFB group is -0.16 (SE = 0.04) while that between schizophrenia and AFB in the older AFB group is 0.14 (SE = 0.08). Our results suggest that early, and perhaps also late, age at first birth in women is associated with increased genetic risk for schizophrenia in the UK Biobank sample. These findings contribute new insights into factors contributing to the complex bio-social risk architecture underpinning the association between parental age and offspring mental health.Peer reviewe
Tourism firms’ environmental rankings and financial performance: a multidimensional scaling approach
The relationship between firms\u27 environmental initiatives and financial performance continues to generate considerable interest. Despite the progress made in the study of this relationship, there is a paucity of research addressing tourism sector firms’ simultaneous environmental and financial performance. This research sheds light on the link between tourism-related firms’ environmental and financial performance. Results indicate that firms that performed well financially ranked higher on environmental initiatives. This suggests that firms’ financial performance may influence environmental performance since firms with good financial performance are better able to allocate more resources to support environmental initiatives. However, since investments in environmental initiatives require financial and manpower resources, firms should only invest in such initiatives if resources are not diverted from core functions, since such actions could affect overall firm viability. Results also indicated that firms that have adopted green initiatives can be classified into four clearly defined categories: progressive firms, which includes firms that simultaneously excel on green initiatives and financial performance; repressive firms or those that perform poorly on both; aggressive firms or those that perform admirably financially but poorly on environmental initiatives; and green firms or firms that perform admirably on green initiatives but poorly financially
The DNA Content of the Small Intestine as a Quantitative Measure of Damage and Recovery after Whole Body Irradiation
Preparing Tomorrow's Leaders and Administrators: Evaluating a Course in Social Work Management
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Overview of US heavy ion fusion research
Significant experimental and theoretical progress has been made in the U.S. heavy ion fusion program on high-current sources, injectors, transport, final focusing, chambers and targets for high energy density physics (HEDP) and inertial fusion energy (IFE) driven by induction linac accelerators. One focus of present research is the beam physics associated with quadrupole focusing of intense, space-charge dominated heavy-ion beams, including gas and electron cloud effects at high currents, and the study of long-distance-propagation effects such as emittance growth due to field errors in scaled experiments. A second area of emphasis in present research is the introduction of background plasma to neutralize the space charge of intense heavy ion beams and assist in focusing the beams to a small spot size. In the near future, research will continue in the above areas, and a new area of emphasis will be to explore the physics of neutralized beam compression and focusing to high intensities required to heat targets to high energy density conditions as well as for inertial fusion energy