Greater job mobility among engineers and scientists has caused the extended social networks of inventors to become increasingly connected. As a result, invention increasingly occurs within small worlds (or social networks) that straddle firm boundaries. S

【書誌情報】

ページ数：24ページ

サイズ：A4

商品番号：HBSP-CMR343

発行日：2006/8/1

登録日：2007/8/16