On p. 173, beneath the DAG, "We'd just regression K on D" should read "We'd just regress K on D". In addition, something seems to have gone wrong with the typesetting here: the letterspacing/kerning of "We'd" is too narrow, making it look crushed, and the space before it is too wide.
On p. 173, beneath the DAG, "We'd just regression K on D" should read "We'd just regress K on D". In addition, something seems to have gone wrong with the typesetting here: the letterspacing/kerning of "We'd" is too narrow, making it look crushed, and the space before it is too wide.