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Shigeharu Okajima
The Ohio State University
 
425 Waupelani Dr.
Apt. 504
State College, PA 16801
U.S.A
 
shigeharu.okajima@gmail.com
 
 
 
 
 
 
JEL Areas:
Q5 : Environmental Economics: General
C1 : Econometric and Statistical Methods: General