42The point at which the constraint would bind (if that point could be attained) is the 
for which
which is 
and the consumption function will be defined by
![`c(m) = min[m, c +(m − c )κ]
# # --](BufferStockTheory547x.svg)
.
42The point at which the constraint would bind (if that point could be attained) is the for which
which is and the consumption function will be defined by
.