Carroll, Glenn R.; Feng, Mi; Le Mens, Gaël; … - 2008
contrast, multi-format manufacturers show mixed patterns.
2
1. INTRODUCTION
Previous studies of technological change in …. Information from these sources constituted the initial firm-level event file.
In 2004 and 2005 we visited two archives for … the event is dropping an existing format.
Number of Newer Target Formats to Add. Firms can choose to add any tape …