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ITEA webinar 2020 series - Shared screen with speaker view
Max Meulemann (BNetzA)
52:45
Will the talk be recored and published afetwards?
TSE's IT (Rémy)
52:55
Yes !
Max Meulemann (BNetzA)
53:15
great thank you
Estelle Malavolti
01:04:08
could you speak up please? I can’t hear well, sorry
Francis Ostermeijer
01:04:14
Is it only my sound that is weak?
Estelle Malavolti
01:04:24
nope!
Jonas Eliasson
01:04:31
Mine too. Something happened to the mic?
Mogens Fosgerau
01:05:58
It is possible to ask questions already now, here in the chat
claudio Piga
01:07:48
Are prices deflated?
Mogens Fosgerau
01:12:45
Is there a potential issue with price endogeneity?
Mogens Fosgerau
01:13:07
Do you test for spurious correlation? Error correction?
Max Meulemann (BNetzA)
01:13:41
How much variability is there in Prices anyway? Prices are fixed for a year
CZERNY, Achim [LMS]
01:14:17
Are track charges uniform or do, for example, discounts exist for larger users?
Anna Matas
01:15:09
Do you account for potential dynamic effects?
Moez Kilani
01:16:11
Same question.. Did you check for Cointegration
Max Meulemann (BNetzA)
01:16:12
Do those results suggest the elasticty is lower for freight than high Speed?
Pedro Cantos
01:16:17
Can internal or external (coming from other transport modes) competition affect the model?
Ramón Núñez
01:17:00
Are you considering ticket price of the service?
Andrew Smith
01:17:31
For many of the thousands of observations (within a year) the access charges will be the same?
Max Meulemann (BNetzA)
01:18:06
If they fall into the same Segment/category
Andrew Smith
01:19:02
Yes, thanks, this is my point. So for say the freight regression don't the charges only change over time not over the cross-section?
Max Meulemann (BNetzA)
01:19:16
Would the IM really respond that much to demand changes of the RUs?
J. Wu
01:22:29
Has the integration of RFF and SNCF have any impact on the TAC in France, esp. for the new operators?
J. Wu
01:26:55
So just ki\
Andrew Smith
01:27:31
Unfortunately I have to leave now for childcare reasons - and also because I got confused about the start time as I did not realise the time zone! Thanks everyone
Mogens Fosgerau
01:29:54
Please ask questions here in the chat as we go along
HP
01:40:14
How do you come up with the weights?
Luis Quintero
01:40:47
I can take clarification questions
Luis Quintero
01:41:13
HP, we take them from engineering estimates of how these geographical accidents increase construction costs.
Luis Quintero
01:41:31
They come both from the literature and discussions with the national road authorities
HP
01:41:56
Thank you
Mogens Fosgerau
01:42:16
What is the dep variable?
Xiaoqian Sun
01:44:16
How did you get the allowed maximum speed for the road in the network?
hlink
01:45:44
Is calculated travel time related to pass car or to freight?
Luis Quintero
01:45:55
Mogens: it changes across regressions.. we use income growth and inequality
Joris Klingen
01:46:03
Effect on GINI seems to be the same between OLS and IV. Does that imply that roads are not built to improve inequality?
Luis Quintero
01:46:19
Xiaoquian: from road design and regulation from the road authorities
Luis Quintero
01:46:38
Xiaoquian: We also use world bank estimates on road speeds by road type
Luis Quintero
01:47:02
Xiaoquian: and contrast it with gps data today to calibrate actual speeds by road type
Luis Quintero
01:47:17
Link
claudio Piga
01:47:38
Homicides pc may also be endogenous...
Luis Quintero
01:47:47
hlink: travel time is average travel time for alll vehicles
CZERNY, Achim [LMS]
01:48:33
Very nice.
Luis Quintero
01:48:35
Joris: Yes. In general IV and OLS are not that different, showing that the endogeneity concern might not be so strong.
Roman Zakharenko
01:49:18
Do you think these effects exist for other public infrastructure (e.g. hospital construction)? Is there some thing special about roads, compared to other public goods?
Luis Quintero
01:52:38
Roman: The main difference is that the impact of roads on municipalities depend on their location wrt to other cities I would say.
Roman Zakharenko
01:53:52
I think Luis has answered already
Moez Kilani
01:59:50
Biking increases congestion for cars. This is positive feature since it may stimulate switch to less polluting modes
benny mantin
02:01:16
I agree Moez, but the argument works in both directions
benny mantin
02:01:40
for sure it is healthier
Moez Kilani
02:12:49
Comment on the two - way FE model : several studies show that accidents (or their severity) is non monotonic in traffic flow (drivers or bikers may become more watchful as the face more risk).
Mogens Fosgerau
02:15:15
How much hypercongestion do you see in the data?
Mogens Fosgerau
02:15:48
Spillbacks
Moez Kilani
02:19:42
look at papers in Road Accidents and Prevention
Eren Inci
02:20:35
following on Moez's point: actually property-damage accidents and injury-involved accidents can be checked separately