Hi, I am experiencing some problem trying to find my control sample. Basically I have these data: My treatment firms year Company GICS Total Asset 2001 A 403010 10000 2002 A 403010 11000 2003 A 403010 12000 2004 A 403010 13000 2005 A 403010 14000 2001 B 402010 20000 My control sample year Company GICS Total Asset 2001 A 403010 10230 2001 A 403010 116570 2001 A 403010 10200 2001 A 403010 13000 2001 A 403010 14000 2001 B 402010 20000 Basically i want to find the nearest total asset with two criteria, matching the year followed by the GICS code. Any help will be greatly appreciated Thanks in advance.
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