APA
Fischer G., National Bureau of Economic Research & Karlan D. (2015). The Catch-22 of external validity in the context of constraints to firm growth. Cambridge: NBER.
Chicago
Fischer Greg, National Bureau of Economic Research and Karlan Dean. 2015. The Catch-22 of external validity in the context of constraints to firm growth. Cambridge: NBER.
Harvard
Fischer G., National Bureau of Economic Research and Karlan D. (2015). The Catch-22 of external validity in the context of constraints to firm growth. Cambridge: NBER.
MLA
Fischer Greg, National Bureau of Economic Research and Karlan Dean. The Catch-22 of external validity in the context of constraints to firm growth. Cambridge: NBER. 2015.
TextSeries: NBER Working Paper ; 20971Publication details: Cambridge NBER 2015Description: 9pSubject(s): Online resources:
Working Papers (Electronic)
