# RDP 2015-03: The Value of Payment Instruments: Estimating Willingness to Pay and Consumer Surplus Equation

$W T P i = α + x ′ i β + ε i ε i ∼ N ( 0 , σ 2 ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqr1ngB PrgifHhDYfgasaacH8srps0lbbf9q8WrFfeuY=Hhbbf9v8qqaqFr0x c9pk0xbba9q8WqFfea0=yr0RYxir=Jbba9q8aq0=yq=He9q8qqQ8fr Fve9Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeaaeaaakeaafaqaae qacaaabaGaam4vaiaadsfacaWGqbWaaSbaaSqaaiaadMgaaeqaaOGa eyypa0JaeqySdeMaey4kaSIabmiEayaafaWaaSbaaSqaaiaadMgaae qaaOGaaCOSdiabgUcaRiabew7aLnaaBaaaleaacaWGPbaabeaaaOqa aiabew7aLnaaBaaaleaacaWGPbaabeaakiablYJi6iaad6eadaqada qaaiaaicdacaGGSaGaeq4Wdm3aaWbaaSqabeaacaaIYaaaaaGccaGL OaGaayzkaaaaaaaa@5074@$