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Hersh, Jonathan; Harding, Matthew - In: IZA World of Labor (2018)

Big Data refers to data sets of much larger size, higher frequency, and often more personalized information. Examples include data collected by smart sensors in homes or aggregation of tweets on Twitter. In small data sets, traditional econometric methods tend to outperform more complex...

Persistent link: https://www.econbiz.de/10011984699

Predictability of Euro area revisions

Glass, Katharina - 2018

This study investigates the predictability of revisions to Euro-area major macroeconomic variables using real-time data from the European Central Bank. The application of nonparametric and semiparametric tests enables robust conclusions about the predictability of revisions. Though there is wide...

Persistent link: https://www.econbiz.de/10011985266

Gas storage valuation and hedging: A quantification of model risk

Hénaff, Patrick; Laachir, Ismail; Russo, Francesco - In: International Journal of Financial Studies 6 (2018) 1, pp. 1-27

This paper focuses on the valuation and hedging of gas storage facilities, using a spot-based valuation framework coupled with a financial hedging strategy implemented with futures contracts. The contributions of this paper are two-fold. Firstly, we propose a model that unifies the dynamics of...

Persistent link: https://www.econbiz.de/10011996092

The mode is the message: Using predata as exclusion restrictions to evaluate survey design

Chen, Heng; Dunbar, Geoffrey; Shen, Q. Rallye - 2017

Changes in survey mode (e.g., online, offline) may influence the values of survey responses, and may be particularly problematic when comparing repeated cross-sectional surveys. This paper identifies mode effects by correcting for both unit non-response and sampling selection using the sample...

Persistent link: https://www.econbiz.de/10012014451

Biomarkers as precursors of disability

Davillas, Apostolos; Pudney, Stephen E. - 2018

Some social surveys now collect physical measurements and markers derived from biological samples, in addition to self-reported health assessments. This information is expensive to collect; its value in medical epidemiology has been clearly established, but its potential contribution to social...

Persistent link: https://www.econbiz.de/10012028758

Baseline health and public healthcare costs five years on: A predictive analysis using biomarker data in a prospective household panel

Davillas, Apostolos; Pudney, Stephen E. - 2019

We investigate the utilisation of primary and secondary public healthcare services and the consequent public costs … years later, their utilisation of GP and hospital outpatient and inpatient services was observed. We develop an econometric … least 20% higher than comparable men, because of their greater utilisation of GP and outpatient services. There is a strong …

Persistent link: https://www.econbiz.de/10012028763

Surveying Romanian Migrants in Italy Before and After the EU Accession: Migration Plans, Labour Market Features and Social Inclusion

Mara, Isilda - 2012

significant proportion of migrant women have jobs in the categories 'Sales and services elementary job', 'Personal care and … related workers' and 'Housekeeping and restaurant services'. Men mostly work as 'Extraction and building trades workers … achievement. A concern often expressed is that migrants who have access to health and social security services are more encouraged …

Persistent link: https://www.econbiz.de/10012100114

lidA–leben in der Arbeit. German cohort study on work, age and health

Rauch, Angela; Burghardt, Anja; Eggs, Johannes; Tisch, Anita - In: Journal for Labour Market Research 48 (2015) 3, pp. 195-202

The aim of the study 'lidA-leben in der Arbeit. German Cohort Study on Work, Age and Health' is to provide a database that enables the investigation of the relationship between work, ageing and health. lidA focuses on two birth cohorts of German baby boomers, born in 1959 and 1965. The...

Persistent link: https://www.econbiz.de/10011833847

Replicating "Predicting the present with Google trends" by Hyunyoung Choi and Hal Varian (The Economic Record, 2012)

Coupé, Tom - In: Economics: The Open-Access, Open-Assessment E-Journal 12 (2018) 2018-34, pp. 1-8

In this paper, the author describes different ways in which one can replicate a paper and illustrate them by applying them to the study by Choi and Varian (Predicting the Present with Google Trends, The Economic Record 2012).

Persistent link: https://www.econbiz.de/10011858731

Comparative Analysis of Classic Clustering Algorithms and Girvan-Newman Algorithm for Finding Communities in Social Networks

Ljucović, Jelena; Vujičić, Tijana; Matijević, Tripo; … - 2016

Nowadays finding patterns in large social network datasets is a growing challenge and an important subject of interest. One of current problems in this field is identifying clusters within social networks with large number of nodes. Social network clusters are not necessarily disjoint sets;...

Persistent link: https://www.econbiz.de/10011920316