Issue on page /09-Non-Compliance-and-LATE.html

[zwei2016]

In the LATE section,

" We also rewrite potential outcomes with a double indexing notation, where the first index denotes the counterfactual for the instrument and the second index, for the treatment".

It should be "We also rewrite potential outcomes with a double indexing notation, where the second index denotes the counterfactual for the instrument and the first index, for the treatment"