Siemen van der Werff - Labour & Education

Siemen van der Werff

Siemen van der Werff is a labour economist and has 10 years of experience with research on the labour market. He is an expert in the field of labour market policy and micro econometrics.

At SEO, he has led many different kinds of projects. These are largely studies on the labour market with a quantitative aspect, such as research on salaries in the public industry, dismissal costs for employers, the labour market position of recent graduates, the labour market of elderly people, and transitions in the labour market. But Siemen has also led research on, for example, the effect of the museum card and of innovation grants. Siemen is very knowledgeable on available (micro)data and econometric methods, such as regression techniques, duration models, and matching.

In his research, Siemen also often uses qualitative techniques. For SEO he has interviewed various employers about the choices they make in their hiring policy, and he has spoken with the management of companies in platform economy on the terms of employment with which they work. For various studies he has furthermore spoken with social partners. Siemen has also drawn up various surveys, for instance focusing on employees and employers. In particular he has much experience with processing vignette analyses in surveys. This includes, for example, surveys which focused on the choices employers make when they have the possibility to choose from different applicants.

Siemen graduated in 2008 as Msc in Econometrics at the University of Amsterdam, and after this, he began work at SEO. In this context, Siemen also wrote his thesis at SEO, in which he analysed the choice of education programme of secondary school students. Siemen has published several articles in professional and scientific journals.


If you would like to know what Siemen could do for your organisation, please feel free to contact him directly at:
+31 (0)20 525 1689

SEO reports

20.05.2015Exploratory Study into the Effect of Student Loans on Intake into Multi-Year Master’s Programmes

As students taking multi-year Master’s programmes will be faced with additional cost once the student loan system is introduced, there is a fear that intake into these programmes could decrease. Is this a plausible fear?more

15.07.2014Economic Contribution of Copyright-Relevant Industries in the Netherlands

This study finds that copyright and related rights play a role in 6% of the Dutch economy.more

27.05.2014(Cost)effectiveness of reintegration services for Dutch jobseekers on unemployment benefits (2008-2011)

A large part of the reintegration services for jobseekers who started to collect unemployment insurance benefits (WW) between 1 April 2008 and 1 October 2010 has made positive and significant contributions to the return to work.more

08.07.2013The Socioeconomic Situation of Long-Term Flexitime Employees

During the last decade, employees in temporary and flexitime jobs have tended to remain in the flexible workforce longer and have become less likely to move on to permanent jobs. What socioeconomic impact does this have on them?more

30.09.2013Study & Work 2013

Study & Work 2013 analyses the current position of graduates and how relevant their qualifications are, based on data for 1999-2013.more

05.05.2013The Impact of the Executives’ Pay (Standards) Act and Regulation on the Pay of Housing Association Directors

A survey of the effects of the maximum pay limits on the pay of housing association directors.more

30.09.2013What Makes Older Employees Attractive?

Older job applicants have less chance of finding employment than younger ones, even if they are equally suitable for a vacancy. Why is that? And how effective are measures to make older employees more attractive?more

14.06.2012Study & Work 2012

Study & Work 2012 analyzes the current position of HBO and WO graduates and the relevance of their study based on data for the years 1999-2012.more

29.09.2011Economic impact of labour migration: displacement effects 1999-2008

Despite the substantial growth in the number of Eastern European labour migrants between 1999-2008, displacement of Dutch employees has hardly taken place.more

20.06.2011Study & Work 2011

The labor market position of higher educated starters has deteriorated, especially for HBO graduates. That is the most important conclusion of Study & Work 2011. more

Here you can find a complete overview of the publications of Siemen van der Werff.

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