This paper translates F.A. Hayek's informal capital theory into a dynamic equilibrium model. The focus is restricted to Hayek's largely unrecognized contribution in "Utility Analysis and Interest", published by The Economic Journal in 1936, being restated in "The Pure Theory of Capital", first...

We develop a model of asset trading with financial leverage in an economy with a continuum of investors. The investors are assumed to have diverse and rational beliefs in the sense of being compatible with observed data. We show that a reduction in the margin requirement may cause the stock...