smoothing - wygladzenie, czyli zmniejszenie nieciaglosci w dochodach,
inaczej mowiac spowodowanie, zeby emeryt mogl zaspokajac swoje potrzeby
konsumpcyjne nie gorzej niz osoba pracujaca. Podaje przyklad nie byle
skad, bo z uniwersytetu w Oksfordu: http://users.ox.ac.uk/~sann2373
Modigliani found that consumers have a smooth consumption function,
preferring to spread their consumption evenly over their lifetimes.
The central assumption is that the individual does not expect to receive
or give inheritance, preferring to consume his resources evenly over
his lifetime (consumption smoothing), implying that people will save
while they work and spend when they retire.