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OBJECTIVE: To determine whether assigning a dedicated general practitioner (GP) to a nursing home reduces hospitalizations and readmissions. DATA SOURCES/STUDY SETTING: Secondary data on hospitalizations and deaths by month for the universe of nursing home residents in Denmark from January 2011 through February 2014. STUDY DESIGN: In 2012, Denmark initiated a program in seven nursing homes that volunteered to participate. We used a difference‐in‐differences model to estimate the effect of assigning a dedicated GP to a nursing home on the likelihood that a nursing home resident will be hospitalized, will experience a preventable hospitalization, and will be readmitted. The unit of observation is a resident‐month. DATA COLLECTION/EXTRACTION METHODS: Data were extracted from the Danish public administrative register dataset. PRINCIPAL FINDINGS: We found that assigning a GP to a nursing home was associated with a 0.55 [95 percent CI, 0.08 to 1.02] percentage point reduction in the monthly probability of a preventable hospitalization, which was a 26 percent reduction from the preintervention level of 2.13 percentage points. The associated reduction in the monthly probability of a readmission was 0.68 [95 percent CI, −0.01 to 1.37] percentage points, which was a 25 percent reduction from the baseline level of 2.68 percentage points. Survey results indicated that the likely mechanism for the effect was more efficient and consistent communication between GPs and nursing home personnel. CONCLUSIONS: Assigning a dedicated physician in a nursing home can reduce medical spending and improve patients' health.

In standard economic theory, education is an investment, and you choose to invest if the future returns are higher than the costs of investment. The future returns are often thought of in terms of monetary returns but education has also shown to have an effect on several nonpecuniary factors. In recent years, the literature has found an association between education and factors like fertility 5, crime, health, success in the marriage market, and happiness. 6 Additionally, the literature on the choice of education, shows that the prospects of different nonpecuniary factors are more important than pecuniary for prospective students. 7 This dissertation adds to the literature with three self-contained chapters dealing with different aspects of choice and returns to higher education. Chapter 1 examines gender differences in the choice of higher education, chapter 2 investigates the role of university location on where graduates end up living and working, and chapter 3 examines the signaling value of the GPAs of university graduates in their first five years on the labor market.

This paper is a systematic review of the threat effect of active labor market programs for unemployed individuals. The threat effect is the induced change in the hazard rate of leaving unemployment prior to program participation. Studies included in the review all estimated a threat effect, with the participants in all cases being unemployed individuals in receipt of benefit of some kind during their tenure of unemployment. Eight of these studies have been included in a meta-analysis: The meta-analysis, which has been carried out using a random effects model to account for heterogeneity, indicated a hazard ratio of 1.25 for the pooled estimate. We conclude that active labor market programs constitute a statistically significant threat effect, although it is modest.

Smog chamber/Fourier transform infrared (FTIR) and laser-induced fluorescence (LIF) spectroscopic techniques were used to study the atmospheric degradation of CH3CHF2. The kinetics and products of the Cl(2P(3/2)) (denoted Cl) atom- and the OH radical-initiated oxidation of CH3CHF2 in 700 Torr of air or N2; diluents at 295 +/- 2 K were studied using smog chamber/FTIR techniques. Relative rate methods were used to measure k(Cl + CH3CHF2) = (2.37 +/- 0.31) x 10(-13) and k(OH + CH3CHF2) = (3.08 +/- 0.62) x 10(-14) cm3 molecule(-1) s(-1). Reaction with Cl atoms gives CH3CF2 radicals in a yield of 99.2 +/- 0.1% and CH2CHF2 radicals in a yield of 0.8 +/- 0.1%. Reaction with OH radicals gives CH3CF2 radicals in a yield75% and CH2CHF2 radicals in a yield25%. Absolute rate data for the Cl reaction were measured using quantum-state selective LIF detection of Cl(2P(j)) atoms under pseudo-first-order conditions. The rate constant k(Cl + CH3CHF2) was determined to be (2.54 +/- 0.25) x 10(-13) cm3 molecule(-1) s(-1) by the LIF technique, in good agreement with the relative rate results. The removal rate of spin-orbit excited-state Cl(2P(1/2)) (denoted Cl) in collisions with CH3CHF2 was determined to be k(Cl + CH3CHF2) = (2.21 +/- 0.22) x 10(-10) cm3 molecule(-1) s(-1). The atmospheric photooxidation products were examined in the presence and absence of NO(x). In the absence of NO(x)(), the Cl atom-initiated oxidation of CH3CHF2 in air leads to formation of COF2 in a molar yield of 97 +/- 5%. In the presence of NO(x), the observed oxidation products include COF2 and CH3COF. As [NO] increases, the yield of COF2 decreases while the yield of CH3COF increases, reflecting a competition for CH3CF2O radicals. The simplest explanation for the observed dependence of the CH3COF yield on [NO(x)] is that the atmospheric degradation of CH3CF2H proceeds via OH radical attack to give CH3CF2 radicals which add O2 to give CH3CF2O2 radicals. Reaction of CH3CF2O2 radicals with NO gives a substantial fraction of chemically activated alkoxy radicals, [CH3CF2O]. In 1 atm of air, approximately 30% of the alkoxy radicals produced in the CH3CF2O2 + NO reaction possess sufficient internal excitation to undergo "prompt" (rate10(10) s(-1)) decomposition to give CH3 radicals and COF2. The remaining approximately 70% become thermalized, CH3CF2O, and undergo decomposition more slowly at a rate of approximately 2 x 10(3) s(-1). At high concentrations (50 mTorr), NO(x) is an efficient scavenger for CH3CF2O radicals leading to the formation of CH3COF and FNO.

Using a Danish data set that follows 135,000 Danish children from birth through 9th grade, we examine the effect of maternal employment during a child's first three and first 15 years on that child's grade point average in 9th grade. We address the endogeneity of employment by including a rich set of household control variables, instrumenting for employment with the gender- and education-specific local unemployment rate, and by including maternal fixed effects. We find that maternal employment has a positive effect on children's academic performance in all specifications, particularly when women work part-time. This is in contrast with the larger literature on maternal employment, much of which takes place in other contexts, and which finds no or a small negative effect of maternal employment on children's cognitive development and academic performance.

The aim of this article is to assess whether circumpolar governance structures have been strengthened so substantially within the last few years that one may rightfully speak of a new level of international cooperation in the High North. Building on a framework of regional integration, the analysis focuses on two recent international agreements: one pertaining to the resolution of a maritime dispute in the Barents Sea; the other to coordination of search and rescue activities under the auspices of the Arctic Council. The article seeks to answer how these agreements are interconnected; why they have strengthened the existing international legal regimes for circumpolar governance; and finally considers whether the two cases represent a shift from intergovernmental cooperation toward regional integration if one considers these opposite ends of a continuum of circumpolar cooperation.

This study was designed to determine the influence of cold-air inhalation on regional myocardial perfusion in patients with ischemic heart disease. A selected group of vasoactive hormones was measured to investigate their possible roles as ischemic agents. Ten men who had recently had a myocardial infarction and anginal symptoms and with verified pathologic ST deviations during a preceding exercise test volunteered to participate in this randomized cross-over study. Two identical exercise tests were performed on different days; one with inhalation of cold (-22 degrees C) air and the other one with inhalation of thermoneutral air (22 degrees C). Scintigraphic imaging (single-photon emission computed tomography) of regional myocardial blood flow was performed with technetium 99m isonitrile flowtracer and a Bull's eye visual display with calculation of the scintigraphic ischemic severity score. The score was significantly higher during exercise with inhalation of cold air as compared to exercise with inhalation of thermoneutral air. Furthermore, only with cold-air inhalation did arterial plasma endothelin concentration increase significantly from rest to exercise and correlate with the change of ischemic severity score. In contrast, no change was observed under thermoneutral conditions. There was no significant difference between peak values of heart rate, systolic blood pressure, adrenaline, and noradrenaline concentrations in the two situations. We conclude that inhalation of cold air during exercise increases the degree of regional myocardial ischemia and that this is not caused by an increased myocardial oxygen demand. We suggest that cold air directly influences the vasomotor tone of the myocardial resistance vessels and that endothelin may be involved in the ischemic response.

Da Danmark gik i såkaldt ’lockdown’ i marts 2020, lukkede også en stor del af tilbud og indsatser på udsatte- og rusmiddelområdet ned. Denne artikel har fokus på, hvordan nedlukningen blev håndteret i kommuner, regioner og sociale organisationer.