Casijn de Graaff

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Questions related from Casijn de Graaff

How to find other instruments if collinearity plagues my instruments?

I wanted to use distance between a shop and customer as an instrument. I want measure the effect of a customer shopping in a certain B2B brick and mortar shop on their purchasing in other shops...

04 April 2018 1,835 5 View

A doubt about the validity of IV instruments to measure effect of shop and shop policies on customers multichannel shopping behaviour !?

Dear all, I wonder if I can argue if my instruments of choice are valid and defendable (i.e. not related to the unobserved effects). I want to estimate the effect that a particular shops or...

04 April 2018 9,635 0 View