so labor costs are insignificant. When chip technology took off in the 1970s, the US semiconductor manufacturers had probably over 80% of the manufacturing sha

so labor costs are insignificant. When chip technology took off in the 1970s, the US semiconductor manufacturers had probably over 80% of the manufacturing share. Why is that share so low today? Why is it that the US manufacturers would be lucky to reach double-digits in manufacturing share? How did they get to drop to so low in the first place? The running cost of fabs is not the only cost of new fabs.