RDP 2015-15: Household Economic Inequality in Australia Equation

r i = θ 0 + θ 1 1 h i + θ 2 ( 1 h i ) 2 + ε i MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOCamaaBa aaleaacaWGPbaabeaakiabg2da9iabeI7aXnaaBaaaleaacaaIWaaa beaakiabgUcaRiabeI7aXnaaBaaaleaacaaIXaaabeaakmaalaaaba GaaGymaaqaaiaadIgadaWgaaWcbaGaamyAaaqabaaaaOGaey4kaSIa eqiUde3aaSbaaSqaaiaaikdaaeqaaOWaaeWaaeaadaWcaaqaaiaaig daaeaacaWGObWaaSbaaSqaaiaadMgaaeqaaaaaaOGaayjkaiaawMca amaaCaaaleqabaGaaGOmaaaakiabgUcaRiabew7aLnaaBaaaleaaca WGPbaabeaaaaa@4EA7@