Financial systems can be compared according to the degree volatile assets are transformed into more stable assets for households and private investors. A discrete-time macroeconomic portfolio model distinguishes between financial systems via a parameter for this transformation by financial intermediaries, which build up and draw on reserves. A comparative-static analysis shows that aggregate income in market based financial systems is less sensitive to profit expectations unless the capital gain effect and its impact on consumption becomes dominant. Depending on the transformation by financial intermediaries, both credit and equity finance can in principle be analysed in the same way but especially venture capital companies in market based ...