TY - BOOK ID - 146045028 TI - Aggregation in economics : a theoretical and empirical study PY - 1969 PB - [Rotterdam] Rotterdam University Press, DB - UniCat KW - Economics, Mathematical. KW - Econometrics. KW - Mathématiques économiques. KW - Économétrie. UR - https://www.unicat.be/uniCat?func=search&query=sysid:146045028 AB - ER -