economy picking? hmm never heard of it, is there another name for it? or is it just like an unofficial style? and whenyou say go up down up down, in this particular instance, do you mean?

e|-------------0 l down -5
b|---------3-----| up-4
g|---0-----------| up-2
d|-----2---------| down-3
a|-3-------------| down-1
E|----------------