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Research Discussion Paper – 1974
Equation (15)
PT
≑
PW
.
ER
MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaeiuaiaabs fatuuDJXwAK1uy0HwmaeHbfv3ySLgzG0uy0Hgip5wzaGqbaabaaaaa aaaapeGae8xuIqQaaeiuaiaabEfacaGGUaGaaeyraiaabkfaaaa@46E2@