Normal view MARC view ISBD view

Instrumental variables: a cautionary tale

By: Heckman, James Joseph.
Material type: TextTextSeries: NBER. Technical Working Papers; 185.Publisher: Cambridge (Mass.) National Bureau of Economic Research 1995Description: v., graf. 22 cm.Subject(s): VARIABLES ESTADISTICAS
Tags from this library: No tags from this library for this title. Log in to add tags.
    average rating: 0.0 (0 votes)

Powered by Koha