TY - BOOK AU - Fare Rolf AU - Grosskopf Shawna AU - Primont Daniel TI - Aggregation, efficiency, and measurement SN - 978-0-387-36948-8 U1 - 338.06 PY - 2007/// CY - New York PB - Springer-Verlag KW - Industrial efficiency KW - Production (Economic theory) ER -