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Announcement of guest lecture by Mr. Philipp Trierweiler on 03 June (Energie-Control Austria)

Energie-Control Austria

On 03.06.2024, a guest lecture by Mr. Philipp Trierweiler (Energie-Control Austria) on "Incentive regulation in practice: basic features of the regulatory model of Austrian electricity distribution system operators" will take place as part of the lecture Competition and Regulation by Prof. Dr. Gernot Sieg. All interested parties are welcome to attend.

Language of presentation: German

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The Covid-19 pandemic and the weather sensitivity of cycling

In their new article "More Afraid of the Virus than of Bad Weather? Exploring the link between Weather Conditions and Cycling Volume in German Cities Before and During the COVID-19 Pandemic", Ansgar Hudde and Jan Wessel examine how the COVID-19 pandemic has influenced the relationship between weather and cycling. Based on data from 69 automated bicycle counting stations in Germany, the authors show that the weather sensitivity of cyclists in transit-oriented cities has increased during the Covid-19 pandemic. One reason for this could be that public transport users have switched to cycling due to the increased risk of infection on public transport and that these new cyclists are significantly more sensitive to the weather than long-time cyclists. In more bicycle-oriented (student) cities, on the other hand, the weather sensitivity of cyclists has not changed during the Covid-19 pandemic.

This article is published in the journal Transportation Research Part F: Traffic Psychology and Behaviour (link to article).

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Professor Sieg is new chairman of the Board of Academic Advisers to the Federal Minister of Digital and Transport

Professor Sieg has been elected Chairman of the Board of Academic Advisers to the Federal Minister of Digital and Transport since January 1, 2024. 

Prof. Sieg's term of office includes not only the 75th anniversary of the Advisory Board but also the greatest challenges for transport policy since the Federal Republic of Germany was founded:
"The transport sector is facing major challenges: Climate neutrality, affordability, poverty, demographics, to name but a few. Transport science can make a contribution to solving these problems. The Board works at the interface between science and policy advice and, as in the last 75 years, will continue to develop practical solution recommendations for the most important problems in transport. I am already looking forward to the coming years and the intensive communication and discussion with the Minister and the Ministry."

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Riding the Green Wave

Increasing cycling attractiveness is essential for city planners to enable more sustainable mobility. One way to improve cycling quality is to reduce the frequency of stopping, thereby enhancing cycling flow. Against this backdrop, the city of Münster installed an open-source green wave assistant designed specifically for cyclists, located 110 meters in front of the traffic lights.

In their new article "Riding the Green Wave - How Countdown Timers at Bicycle Traffic Lights Impact on Cycling Behavior", Christina Brand, Thomas Hagedorn, Till Kösters, Marlena Meier, Gernot Sieg and Jan Wesse analyze the impact of the Leezenflow system. Therefore, they conduct a natural field experiment in real traffic and an online survey. This is the first comprehensive analysis of a bicycle green wave assistant, considering both its long-term impact in real traffic and user feedback. They find that the number of cyclists that have to stop at the red lights decreases by 6.6 %. Moroever, the data indicates a reported increase in cycling quality, and evidence for positive effects on traffic safety.

This article is published at the journal Travel Behavior and Society (Link to article).

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Discussion Paper on Fuel Prices and Driving Speeds on the German Autobahn

"No Need for Speed: Fuel Prices, Driving Speeds and the revealed Value of Time on the German Autobahn"

"No matter how fast you are driving in Germany, someone is driving faster than you," Tom Hanks told show host David Letterman about his experiences on the German Autobahn. Hanks was referring to the lack of a general speed limit on the German Autobahn. On many sections - and if the traffic allows it - an absolutely free choice of speed is therefore possible. But what about the speed decision when fuel prices increase? 
 
In their article "No Need for Speed: Fuel Prices, Driving Speeds and the revealed Value of Time on the German Autobahn", Thomas Hagedorn, Till Kösters, Sebastian Specht and Jan Wessel analyze this relationship between fuel prices and driving speeds on the German Autobahn. The results of the empirical regression analysis provide differentiated answers with regard to individual speed decisions on sections with and without speed limits, fuel demand, and the value of travel time on the German Autobahn.

Link to the article

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