RDP 2009-02: Competition Between Payment Systems Equation (16)

U i , ~ j c = M h i c D i m f i c = M { h i c D i m f i c / M } MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyvamaaDa aaleaacaWGPbGaaiilaiaac6hacaWGQbaabaGaam4yaaaakiabg2da 9iaad2eacaWGObWaa0baaSqaaiaadMgaaeaacaWGJbaaaOGaamiram aaDaaaleaacaWGPbaabaGaamyBaaaakiabgkHiTiaadAgadaqhaaWc baGaamyAaaqaaiaadogaaaGccqGH9aqpcaWGnbWaaiWaaeaacaWGOb Waa0baaSqaaiaadMgaaeaacaWGJbaaaOGaamiramaaDaaaleaacaWG PbaabaGaamyBaaaakiabgkHiTiaadAgadaqhaaWcbaGaamyAaaqaai aadogaaaGccaGGVaGaamytaaGaay5Eaiaaw2haaaaa@5662@