This dissertation explores two subjects. The first one is the relationship between low liquidity in secondary markets for capital and the insufficient supply of long term funding for productive investment. The first chapter shows how shallow or non-existent secondary markets for capital can induce a short term bias in lending, a problem observed in developing countries. A general equilibrium model is developed with government debt and private capital that is costly to trade. The transaction costs reduce the proportion of savings held as capital. Three main results are established. First, larger government deficits cause a greater proportion of savings to be held as debt. Second, deficit finance alternatives (taxes vs. debt) have different e...