๐จ New Working Paper ๐จ
We show that  applicants manipulate their address to get access to their preferred school and thereby push out non-strategic students.
Friday, so I am giving you 3 options. A gif, a ๐งต, and the full paper!
#EconTwitter @ChrisANeilson @Woessmann 
1/N  
Do you remember Andrea? 
- she used her grandmother's address to secure a place at West Beverly High!
2/N  
Does this also happen in real life?
- We looked at real data from Danmark (of course )
- We observe a lot of address changes around the high school application deadline
3/N  
And it didn't use to be like that
- Before school priority was based on distance to school, we didn't observe any changes around the deadline!
4/N  
The number of address changes doubled!
5/N  
And this was NOT poor Andrea, but kids from more affluent households 
6/N  
Interestingly, the response is driven purely by 15y old changing the address without any other member of the family changing address! 
- There is no response in family moves
7/N  
And this affected non-strategic applicants!
- More than 1/4 who did not enroll in their preferred school would have been offered a place in absence of manipulation by their peers
8/N  
But is this cheating?
- Well when a municipality started to ask for additional proof that the 15y really lives at the new address, the effect was reduced significantly !
9/N  
What if we suddenly removed all strategic address changes?
- The non-strategic peers who got pushed out of schools would get better peers!
10/N  
Summary
- Applicants manipulate their eligibility at schools.
- Manipulation pushes other students out โ who get worse peers.
- See paper for theory, proofs, placebo tests, decomposition of response, and much more.
 
11/N
Read our paper here arxiv.org/abs/2305.18949
With @mikhoga @andbjn and Lykke Sterll Christensen
12/12
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