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Dehydration Predicts Longitudinal Decline in Cognitive Functioning and Well-Being Among Older Adults

Adequate hydration is essential for health, with even mild forms of dehydration often having negative effects on cognition and well-being. Despite evidence of higher risk for dehydration among older adults, links between dehydration and cognitive or well-being outcomes have not been established in old age. In this study, we used longitudinal data from the Berlin Aging Study II (age range 60–89) to ...

Can Happiness Apps Generate Nationally Representative Datasets? - a Case Study Collecting Data on People’s Happiness Using the German Socio-Economic Panel

In the last few years, apps have become an important tool to collect data. Especially in the case of data on people’s happiness, two projects have received substantial attention from both the media and the scientific world: “Track your happiness” from Killingsworth and Gilbert (Science, 330, 932-932, 2010), and “Mappiness,” from MacKerron (2012). Both happiness apps used the experience sampling method ...

Consequences of Overeducation among Career Starters in Germany: A Trap for the Vocationally Trained as well as for University Graduates?

Research on the consequences of starting in overeducation often focuses on either secondary or tertiary graduates. We focus on both within one country, Germany. While matching and search models imply the improvement of initial overeducation, human capital theory and stigma associated with overeducation predict entrapment. The strongly skill- and occupation-based labour market for the vocationally trained ...

Estimating the Impact of Financial Investments on Agricultural Futures Prices Using Changes in Volatility

This paper studies the impact of financial investments on agricultural futures prices, using structural vector autoregressions. We identify exogenous variation in net long positions of speculators through heteroskedasticity. We first show that demand shocks of both index investors and noncommercial traders lead to a statistically significant contemporaneous increase in futures prices. We then quantify ...

Panel Survey Recruitment With or Without Interviewers? Implications for Nonresponse, Panel Consent, and Total Recruitment Bias

Mental Health Outcomes of Adults Born Very Preterm or with Very Low Birth Weight: A Systematic Review

Preterm birth research is poised to explore the mental health of adults born very preterm(VP;

The Economic Research Potentials of the German Socio-Economic Panel Study

We provide a concise introduction to a household-panel data infrastructure that provides the international research community with longitudinal data of private households in Germany since 1984: the German Socio-Economic Panel (SOEP). We demonstrate the comparative strength of the SOEP data in answering economically-relevant questions by highlighting its diverse and impactful applications throughout ...

Tied and Troubled: Revisiting Tied Migration and Subsequent Employment

ObjectiveThis article looks at couples' migration decision making processes and their gender‐specific employment consequences after migration to Germany.BackgroundInternational migration has evolved into a common experience for couples around the globe. Previous research has focused on the internal migration of couples and families. This article is the first to consider couples' international migration ...

Pädagogische Konzeptionen von Kindertageseinrichtungen: Deskription eines pädagogischen Instruments

owohl die Praxisliteratur zum Einrichtungsmanagement als auch der Gesetzgeber sehen pädagogische Konzeptionen als ein probates Mittel zur Steuerung der Qualität von Kindertageseinrichtungen. Die vorliegende Studie untersuchte 583 Kita-Konzeptionen von Einrichtungen aus ganz Deutschland mithilfe eines neu entwickelten Codierschemas und quantitativen Analysemethoden. Im Zentrum stehen zwei Fragen: erstens ...

Transformational Strategies and Productivity Growth: A Transformational‐Activities Perspective on Stagnation in the New‐Normal Business Landscape

Declines in productivity growth substantially explain new‐normal business stagnation; yet in order to address situations of slack productivity growth, firms can choose from six generic transformational strategies: retirement, renewal, retrenchment, replication, redeployment, and recombination. While the extant literature focuses on specific transformational strategies that particular firms, or industries, ...