RDP 2009-03: Competition Between Payment Systems: Results Equation (C3)

f i c , # # f i c , * + κ M ( D j m D i m D j , i m ) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzamaaDa aaleaacaWGPbaabaGaam4yaiaacYcacaGGJaGaai4iaaaakiabggMi 6kaadAgadaqhaaWcbaGaamyAaaqaaiaadogacaGGSaGaaiOkaaaaki abgUcaRmaalaaabaGaeqOUdSgabaGaamytaaaadaqadaqaamaalaaa baGaamiramaaDaaaleaacaWGQbaabaGaamyBaaaaaOqaaiaadseada qhaaWcbaGaamyAaaqaaiaad2gaaaGccaWGebWaa0baaSqaaiaadQga caGGSaGaeSipIOJaamyAaaqaaiaad2gaaaaaaaGccaGLOaGaayzkaa aaaa@5183@