Research Discussion Paper – 1974 Equation (18)

XL = NVR NHO NUR NHI NE + NUR + NHI MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaeiwaiaabY eacqGH9aqpdaWcaaqaaiaab6eacaqGwbGaaeOuaiabgkHiTiaab6ea caqGibGaae4taiabgkHiTiaab6eacaqGvbGaaeOuaiabgkHiTiaab6 eacaqGibGaaeysaaqaaiaab6eacaqGfbGaey4kaSIaaeOtaiaabwfa caqGsbGaey4kaSIaaeOtaiaabIeacaqGjbaaaaaa@4D93@