TY - JOUR AU - Armstrong,, Alan AB - Article PDF first page preview Close This content is only available as a PDF. © Royal Economic Society 1993 TI - Production Process and Technical Change JF - Economic Journal DO - 10.2307/2234487 DA - 1993-11-01 UR - https://www.deepdyve.com/lp/oxford-university-press/production-process-and-technical-change-64pssuUZ4A SP - 1556 EP - 1557 VL - 103 IS - 421 DP - DeepDyve ER -