Clive Day, A history of commerce (1922)
“ A grain merchant, for instance, who has bought some excellent336 wheat in Dakota, has made advantageous arrangements for its transportation, and is confident of finding a ready sale to an English miller, may find the whole transaction results not in profit but in loss, if the level of wheat prices falls before his sale is accomplished, by reason, perhaps, of the unexpected yield of wheat in a distant country, or by the conclusion of a great war. ”
