Table 3. Estimated parameters (˜μ, ˜σ) for performance, (˜α, ˜β) for transition, and 50% point of transition, -˜α/˜β.

Class	˜μ	˜σ	˜α	β	50% point	N
Salariat	0.365	0.920	1.124	2.384	-0.471	5062
Intermediate	-0.185	0.952	0.681	2.271	-0.300	4706
Working	-0.530	0.959	0.448	2.226	-0.201	1870
All	0.00	1.00				11638