The most fundamental proposition about growth and competition is that there is a tradeoff between static welfare and long-term growth. This paper reconsiders this basic proposition in an increasing product variety endogenous growth model with competitive markets for 'old' innovative products and...

Microfinance currently experiences a huge inflow of private investors and a surge in the use of market instruments. This raises the question of what market equilibria in microfinance markets look like and which kinds of market failure tend to afflict them. The present paper conducts an...

This paper analyzes socially responsible investment in the Walrasian model with uncertainty. It proves the following neutrality result: if each consumer's utility function with social responsibility is a function of her utility without social responsibility and asset holdings and if financial...

Summary New Keynesian economics stresses the positive link between firms’ net worth, on the one hand, and the equilibrium level of credit granted and aggregate employment, on the other hand. The present paper argues that once money is introduced and adaptive inflation expectations are assumed,...

Greenwald und Stiglitz schlagen vor, Konjunkturfluktuationen durch das Zusammenspiel von Unvollkommenheiten in Kapitalmarkt und Arbeitsmarkt zu erklären: Wegen Kapitalmarktunvollkommenheit schwankt die Arbeitsnachfrage der Unternehmen mit ihrer Eigenkapitalausstattung; wegen...

This paper shows that, in the canonical dynamic rational expectations equilibrium model, public information about future noise trading is potentially detrimental to contemporaneous price efficiency. Our result supports concerns that social sentiment investing, sparked by growing availability of...

This paper investigates the implications of the Grossman-Stiglitz (1980) model on the informational efficiency of financial markets for the optimality of the allocation of talent to financial trading versus entrepreneurship. Informed traders make the financial market more informationally...

The entry of a low-wage country into a world economy with pre-existing wage differentials puts the gains from trade in a former low-wage and then medium-wage country under pressure. If negotiations over the formation of a free trade area cover international transfers, there is a strong...