< dirkmjk

Articles in category: amsterdam

Neighbourhood criteriums in Amsterdam

26 September 2022 - After a pause due to covid, criteriums are once again being organised in a number of Amsterdam neighbourhoods. These events are rooted in an old tradition: around 1950, dozens of neighbourhoods in Amsterdam had their own criterium or ‘wielerronde’.

Trade union growth

5 December 2021 - Dutch trade unions enjoy broad support among workers, but the share of employees who are members of a trade union is decreasing. This hasn’t always been the case, of course. In this article I’ll explore trade union growth.

Wind, crosswinds and bicycle speed

31 March 2021 - On the internet, you’ll find many articles that discuss the theoretical effect of wind on cycling speed (plus articles on wind tunnel experiments, often paid for by companies that sell aerodynamic jerseys). But what about actual rides? And what’s the effect of crosswinds? I did an exploratory analysis of about 125 rides around the Ronde Hoep, a polder to the south of Amsterdam.

Business aviation at Schiphol Airport

28 June 2020 - It’s still unclear what aviation will look like after the impact of the coronavirus and the climate crisis. Meanwhile, one segment has received relatively little attention: business aviation. In this article, I’ll try to explore business aviation at Schiphol Airport. As always, the analysis comes with some caveats.

Trams, bicycles and city growth

1 March 2020 - Faster transportation made longer commutes possible, which meant cities could grow. But Amsterdam started to grow before tramways were electrified and bicycles became popular. What happened?