Could someone please show me the intermediate steps of rewriting this
π(p,w)=p(wpa)aa−1−w(wpa)1a−1
to this
π(p,w)=w(1−aa)(wap)1a−1
reinout
Thank you Alan,
I made some foolish mistake at
p∗(wp∗a)aa−1=p∗(wp∗a)a−1a−1+1a−1
Thank you