Research Discussion Paper – 1974
Equation (A.55)
Δ
XN
t
e
=
−
XN
t
−
1
MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaeiLdiaayk W7caqGybGaaeOtamaaDaaaleaacaqG0baabaGaaeyzaaaakiabg2da 9iabgkHiTiaabIfacaqGobWaaSbaaSqaaiaabshacqGHsislcaaIXa aabeaaaaa@42C7@