Expansion materials - expansion materials

…On the other hand, the highest weights in the total expenses of a newspaper company are labor costs, paper costs, sales expenses, and production expenses, in that order. Sales expenses include the cost of shipping newspapers as well as expansion materials (short for expansion materials, which are prizes used to attract readers).

*Some of the terminology that refers to "expansion materials" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…他方，新聞社の総費用では，ウェイトの高いのは〈人件費〉〈用紙費〉〈営業経費〉〈製作経費〉の順である。〈営業経費〉には新聞の発送費のほか，拡材(拡張材料の略。読者獲得のための景品。…

※「拡張材料」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報