弱いつながりは転職に有効なのか? / Weak Ties and Job Change

13d936e697fe0f4fa96f926d0a712f6c?s=47 Sansan
July 13, 2019

弱いつながりは転職に有効なのか? / Weak Ties and Job Change

■イベント
conference, on computer science for enterprise
https://ccse.jp/2019/

■登壇概要
タイトル:弱いつながりは転職に有効なのか?

登壇者:DSOC R&Dグループ 西田貴紀

▼Sansan Builders Box
https://buildersbox.corp-sansan.com/

13d936e697fe0f4fa96f926d0a712f6c?s=128

Sansan

July 13, 2019
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Transcript

  1.     Dynamic Network Signatures of Labor Flows:

    Evidence from a Large Business Social Network Takanori Nishida (Sansan Inc., Tokyo, Japan) Lav R. Varshney (University of Illinois at Urbana-Champaign) Yoshiki Ishikawa (Habitech, Inc., Tokyo, Japan)
  2. Motivation      ( )(

  3. Strength of Weak Ties Hypothesis

  4. Bird’s-Eye View Static Dynamic Online Offline (Face to Face) 

       
  5.          

         
  6. Data Visualization ~Dawn of Innovation~ 0 1 2 0 2

  7. Data Eight  #'*/2015,1"2017,12" )3 /%&. &.Eight21 0 !( +

    - $1
  8. User Profile  

  9. Longitudinal Dataset (Unbalanced Panel Data) 1st wave 2nd wave 3rd

    wave Jul 2015 Jan 2016 Jul 2016 Jan 2017 Jul 2017 6 months 6 months T T-1 T-2 T T-1 T-2 6 months T T-1 T-2 6 months 
  10. Empirical Definition of Weak ties and Strong Ties  T-2

    T-1 T  =Δ Clustering coefficient = # of New Bridging Ties  Ties in same community Bridging Ties
  11. None
  12.  

  13. Empirical Model   ̈ "#$ = &' ̈ (#$)*

    /$), + ̈ .#$ /ℎ121 ̈ 345 = 345 − 7 34 (within transformation),8 34 = 1/: ∑4<= > 345  W W W - - W W 1 2T : ; ( ) W
  14. Results ) *- 10 .) *- T-1 T T-2 (

    R-squared:0.114 Num. obs.: 417,428 - Standard errors in parentheses - ***p < 0.001, **p < 0.01, *p < 0.05 ) ( ( 0 -
  15. Discussion     -    

    - 
  16. None