Both the original version(in German) and its English translation of this part are available on the web as well.
Some factors that can't be analyzed economically
are stated here. The Prohibition, still in effect in the US when
this book was published, is a negative factor for those who like
to drink alcohol. Maybe their wives' resistance will force men
to give up their dream to emigrate. And the homesickness may lead
emigrants to go back to their homeland. These kinds of influence
must be taken into account, says Gesell.