This paper describes the role that informational imperfections in capital markets are likely to play in business cycles. It then developes a simple illustrative model of the impact of adverse selection in the equity market and the way in which this may lead to large fluctuations in the effective...

This paper is concerned with delineating conditions under which public financial policies have no real and/or price effects. In the absence of intergenerational distribution effects, public financial policy is irrelevant:an increase in government debt (whether indexed or not), an exchange of...

The analysis of the effects ofcapital gains taxation requires a careful modelling both of the details of the tax code and the imperfections in the capital market. Under the standard assumptions concerning perfect capital marketsand under the standard idealizations of the tax code, there are...

An iconic model with high leverage and overvalued collateral assets is used to illustrate the amplification mechanism driving asset prices to 'overshoot' equilibrium when an asset bubble bursts--threatening widespread insolvency and what Richard Koo calls a 'balance sheet recession'

This paper provides a general framework for analyzing the optimal degree and form of financial integration. Full integration is not in general optimal: faced with a choice between two polar regimes, full integration or autarky, autarky may be superior. The intuition is simple: if underlying...

This paper examines the impact of financial market imperfections on long-term productivity growth. It focuses on failures in markets for the sale of equity securities and hence on the failure of markets which help firms diversify the risks of real investment. The paper examines separately...