TY - BOOK AU - Sun Guang Zhen Ed. TI - Readings in the economics of the division of labor T2 - Increasing Returns and Infra-marginal Economics. V2 SN - 9812561242 U1 - X:9, P5 PY - 2005/// CY - New Jersey PB - World Sceintific Publishing Company KW - Labour Economics ER -