This paper examines the effect of wealth concentration on firms' market power when firm entry is driven by entrepreneurs facing uninsurable idiosyncratic risks. Under greater wealth concentration, households in the lower end of the wealth distribution are more risk averse and less willing (or...

Are excessively concentrated markets inequitable as well as inefficient? We explore this issue by analyzing the degree of market concentration in the industries where Australia's wealthiest made their fortunes. Compared with the economy at large, we find that top wealth holders have tended to...