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...

We study the effects of an annuity market imperfection on individual agents' labour supply and retirement decisions and on the macroeconomic growth rate in an overlapping generations model with endogenous growth. We model imperfect annuities by introducing a load factor on the interest rate...