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st: From Ayi ayayi

Subject   st: From Ayi ayayi
Date   Wed, 24 Apr 2013 13:10:14 -0400

Hi everybody
I have a panel data. To take in to consideration the considerable variation of the MFIs (microfinance institutions) across countries on the empirical results, I resort to a weighted least squares with the weight being the inverse of the number of MFIs for the country in the database in a given year.

Can someone help me on how to generate the inverse of the number of MFIs for the country in the database in a given year and how to handle this WLS. Please find below an example of the data
Thanks for your time and consideration

year	mfi	country
2004	AFS	Afghanistan
2004	BRAC - AFG	Afghanistan
2004	FINCA - AFG	Afghanistan
2004	FMFB - AFG	Afghanistan
2005	AFS	         Afghanistan
2005	BRAC - AFG	Afghanistan
2005	CFA	         Afghanistan
2005	FINCA - AFG	Afghanistan
2005	FMFB - AFG	Afghanistan
2005	MADRAC	         Afghanistan
2004	ASC Union 	Albania
2004	BESA	          Albania
2004	FAF-DC	          Albania
2004	NOA - ALB 	Albania
2005	ASC Union 	Albania
2005	BESA	          Albania
2005	FAF-DC	         Albania
2005	NOA -   ALB	Albania
2004	BMM C?rdoba	Argentina
2004	Emprenda	         Argentina
2004	Entre Todos	Argentina
2004	FIE Gran Poder	Argentina
2004	Grameen Chaco	Argentina
2005	Alternativa 3	Argentina
2005	BMM C??rdoba	Argentina
2005	Emprenda	         Argentina
2005	Entre Todos	Argentina
2005	FIE Gran Poder	Argentina
2005	Grameen Chaco	Argentina

Ayi Gavriel Ayayi; Ph.D.
Professor of Financial Economics
Editors of AEFR, AFJ, EFR and IJEMS
Département des Sciences de la Gestion
Université du Québec
3351 Boulevard des Forges C.P 500
Trois Rivières, Québec, G9A 5H7 Canada
Some of my recent papers at:
Tel: (1) 819 376-5011 ext 3137

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