This paper is an exercise in comparative institutional analysis, asking what kinds of arrangements most facilitate innovation. After identifying pervasive market failures in innovation, it explains why those associated with the Nordic model may be particularly conducive to innovation, and...

This paper attempts to provide a more complete reckoning of the costs of the Iraq War, using standard economic and accounting/ budgetary frameworks. As of December 30, 2005, total spending for combat and support operations in Iraq is $251bn, and the CBO's estimates put the projected total direct...

The optimal income taxation problem has been extensively studied in one- period models. When consumers work for many periods, this paper analyzes what information, if any, that the government learns about abilities in one period can be used in later periods to attain more redistribution than in...

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 attempts to survey, and to put into perspective, recent lterature that has analyzed the nature of credit relations between developed and developing countries.This analysis has made use of recent advances in the economics of information and strategic interaction. Traditional concepts...

This paper presents a simple, general equilibrium macroeconomic model incorporating financial constraints, both credit and equity rationing, as well as other informational imperfections in labor and product markets, such as efficiency wage effects. A formulation somewhat analogous to the...

We study the Rothschild-Stiglitz model of insurance markets, introducing endogenous information disclosure about insurance sales and purchases by firms and consumers. We show that a competitive equilibrium exists under unusually mild conditions, and characterize the unique equilibrium outcome....

We study the Rothschild-Stiglitz model of competitive insurance markets with endogenous information disclosure by both firms and consumers. We show that an equilibrium always exists, (even without the single crossing property), and characterize the unique equilibrium allocation. With two types...

This paper provides an explanation for situations in which the state variables describing the economy do not change, but aggregate consumption experiences significant changes. We present a theory of pseudo-wealth—individuals' perceived wealth that is derived from heterogeneous beliefs and...

Modern technology provides the basis of an efficient low-cost electronic payments as an alternative to the current system where fiat money is the medium of exchange. This paper explores possible macro-economic implication, showing how such a financial system might enhance government's ability to...