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	1.	No cover image available A note on adapting propensity score matching and selection models to choice based samples by Heckman, James J and Todd, Peter E Material type: Text; Format: print ; Literary form: Not fiction Publication details: 2009 Other title: Availability: Items available for loan: (1). Place hold Add to cart (remove)
	2.	No cover image available A note on adapting propensity score matching and selection models to choice based samples by Heckman, James J and Todd, Peter E Material type: Text; Format: print ; Literary form: Not fiction Publication details: 2009 Other title: Availability: No items available. Add to cart (remove)

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