Figure 6.5 The pyramid of key factors that underpin JIT
Factor 1
The top of the pyramid is full capability for just-in-time supply. This is the level at which a focal firm can produce and deliver according to the demand that is placed on it. The relationships operating within and between levels 2 and 3 form the system that ultimately underpins the achievement of JIT. They are complex,and in some cases there is a long time delay between taking actions and seeing the effects.