Nikos Askitas joined IZA in 2000 and he is the Institute’s Coordinator of Data and Technology. As head of its Research Data Center (IDSC) and Head of its ICT unit he is responsible for all data and technology issues and is hence a member of both the research and the service units of IZA. On the one hand,working as a mathematician, data scientist and economist, he explores new avenues of research and policy in labor economics but also in social science more generally while on the other hand he oversees the Institute’s ICT operations.

His Mathematics research was published in such Journals as Manuscripta Mathematica, Mathematische Zeitschrift, Knot Theory and Its Ramifications, The Kobe Journal of Japan, Topology and Its Applications. His economics research, theoretical and empirical, spans a wide range of topics and is published among others in the International Journal of Manpower, Wirtschaftsdienst, Journal of Forecasting, Cityscape - Journal of Policy Development and Research of the Office of Policy Development and Research at the US Dept. of Housing and Urban development, AStA Wirtschafts - und Sozialstatistisches Archiv, PLoS ONE etc.

His current research interests include web and big data, time series, forecasting and nowcasting, technology and labor, game theory, statistics, adaptive systems etc.

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Publications

IZA Discussion Paper No. 10753
Published in: PLoS ONE, 2017

An empirically founded and widely established driving force in opinion dynamics is homophily i.e. the tendency of "birds of a feather" to "flock together". The closer our opinions are the more likely it is that we will interact and converge. Models using these assumptions are called bounded confidence models (BCM)...

IZA Discussion Paper No. 9988
published in: AStA Wirtschafts - und Sozialstatistisches Archiv, 2016, Journal of the German Statistical Society

The more conservative among us believe that "Big Data is a fad that will soon fade out" and they may in fact be partially right. By contrast, others – especially those who dispassionately note that digitization is only now beginning to deliver its payload – may beg to differ. We...

IZA Discussion Paper No. 9570

On February 20 2015 Irish Premier Enda Kenny confirmed that a "yes-no" referendum on same sex marriage would be held on May 22 of the same year. A yes vote would legalise same sex marriage in Ireland. As the Irish premier put it, the vote was about "tolerance, respect and...

IZA Discussion Paper No. 9569

In a bold and risky political move the Greek prime minister Alexis Tsipras called for a referendum on June 27 2015 quitting ongoing negotiations with Greece's creditors in Brussels. The referendum framed as a yes or no question asked the Greek voters to decide whether or not they approve or...

IZA Discussion Paper No. 9503
Published in: PLoS ONE, 2016

Traffic jams are an important problem both on an individual and on a societal level and much research has been done on trying to explain their emergence. The mainstream approach to road traffic monitoring is based on crowdsourcing roaming GPS devices such as cars or cell phones. These systems are...

IZA Discussion Paper No. 9427
published in: Cityscape - A Journal of Policy Development and Research, 2016, 18 (3), 185-198, Article

I create a time series of weekly ratios of Google searches, in the US, on buying and selling in the Real Estate Category of Google Trends. I call this ratio the Google US Housing Market BUSE Index or simply the BUSE index. It expresses the number of "buy"-searches for each...

IZA Discussion Paper No. 8899
published in: International Journal of Manpower, 2015, 36 (1), 2 - 12.

This paper advocates the use of Internet data for social sciences with a special focus on human resources issues. It discusses the potentials and challenges of Internet data for social sciences and presents a selection of the relevant literature to establish the wide spectrum of topics, which can be reached....

IZA Discussion Paper No. 7896
submitted

There is continuing debate about what explains cooperation and self-sacrifice in nature and in particular in humans. This paper suggests a new way to think about this famous problem. I argue that, for an evolutionary biologist as well as a quantitative social scientist, the triangle of two players in the...

IZA Discussion Paper No. 5895

Economic hardship is strongly reflected by the housing market. It is the concern of much research, but its analysis is often obstructed by insufficient lagged data. This paper evaluates search intensity for "hardship letter" from Google Insights to detect ensuing mortgage delinquencies. Such searches locate documents which assist to write...

IZA Discussion Paper No. 5601
published in: International Journal of Manpower, 2015, 36 (1), 26 - 47.

The internet has become an important data source for the Social Sciences because these data are available without lags, can be regarded as involuntary surveys and hence have no observer effect, can be geo-labeled, are available for countries across the globe and can be viewed in continuous time scales from...

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