The purpose of this paper is to explain why some markets for financial products take off while others vanish as soon as they have emerged. To this end, we model an infinite sequence of CAPM-economies in which financial products can be used for insurance purposes. Agents' participation in these financial products, however, is restricted. Consecutive stage economies are linked by a mapping (“transition function”) which determines the next period's participation structure from the preceding period's participation. The transition function generates a dynamic process of market participation which is driven by the percentage of informed traders and the rate at which a new asset is adopted. We then analyse the evolutionary stability of stationary equilibria. In accordance with the empirical literature on financial innovation, it is obtained that the success of a financial innovation, a mutation, depends on a sufficiently high trading volume, marketing, and new and differentiated hedging opportunities. In particular, a set of complete markets forming a stationary equilibrium is robust with respect to any further financial innovation while this is not necessarily true for a set of incomplete markets

This paper develops microfoundations for the role that diversified cities play in fostering innovation. A simple model of process innovation is proposed, where firms learn about their ideal production process by making prototypes. We build around this a dynamic general-equilibrium model, and derive conditions under which diversified and specialized cities coexist. New products are developed in diversified cities, trying processes borrowed from different activities. On finding their ideal process, firms switch to mass production and relocate to specialized cities where production costs are lower. We find strong evidence of this pattern in establishment relocations across French employment areas 1993–1996

This article shows how both technological and competitive risks affect the timing of private and initial public offerings in an emerging industry. Early private financing occurs in industries that are perceived to be risky, with high development costs and low probability of being displaced by technologically superior rivals. Early public financing occurs in industries perceived to be viable, with low development costs and low probability of displacement. Due to feedback effects between financial and product markets, the value of investors’ proprietary information is greater in private than in initial public offerings. This has implications for underpricing.

This article shows how both technological and competitive risks affect the timing of private and initial public offerings in an emerging industry. Early private financing occurs in industries that are perceived to be risky, with high development costs and low probability of being displaced by technologically superior rivals. Early public financing occurs in industries perceived to be viable, with low development costs and low probability of displacement. Due to feedback effects between financial and product markets, the value of investors' proprietary information is greater in private than in initial public offerings. This has implications for underpricing.

From the perspective of the Walrasian general equilibrium model, entrepreneurial and opportunistic behavior seems foreign. Can the model be refashioned so that it can accommodate such behavior? Many would say no, but we argue the contrary. Indeed, we present a reformulation of the model that serves as a gateway to, rather than a detour from, such contemporary issues as innovation and incentives. The trick is to reexamine what perfect competition means. Starting with an historical summary of general equilibrium, we sketch an image of the perfect competitor as an active market opportunist, seeking out profit potentials wherever he can

This paper presents evidence that the traditional banking business of accepting deposits and making loans has declined significantly in the US in recent years. There has been a switch from directly held assets to pension funds and mutual funds. However, banks have maintained their position relative to GDP by innovating and switching from their traditional business to fee-producing activities. A comparison of investor portfolios across countries shows that households in the US and UK bear considerably more risk from their investments than counterparts in Japan, France and Germany. It is argued that in these latter countries intermediaries can manage risk by holding liquid reserves and intertemporally smoothing. However, in the US and UK competition from financial markets prevents this and risk management must be accomplished using derivatives and other similar techniques. The decline in the traditional banking business and the financial innovation undertaken by banks in the US is interpreted as a response to the competition from markets and the decline of intertemporal smoothing

The large number of initial public offerings (IPOs) with a 7% spread suggests either that investment bankers collude to profit from 7% IPOs or that the 7% contract is an efficient innovation that better suits the IPO. My tests do not support the collusion theory. Low concentration and ease of entry characterize the IPO market. Moreover, the 7% spread is not abnormally profitable, nor has its use been diminished by public awareness of collusion allegations. In support of the efficient contract theory, banks compete in pricing 7% IPOs on the basis of reputation, placement service, and underpricing

In this paper we model the evolution of income risk and consumption growth. We decompose the time series innovation of the income process into its common and cohort-specific components. From these we compute conditional variances which are used as separate risk terms in a consumption growth equation. Using a long series of British household data we exploit the time-series variation to identify precautionary saving effects and find strong evidence of their importance. Specifically, after allowing for demographic and labour market status, there is an independent role for income risk in explaining consumption growth. Rather than the component that is common across cohorts, however, it is the cohort-specific element that is important in determining changes in consumption growth. This result points to a failure of between-cohort insurance mechanisms

Used properly, the term 'new e-conomy' is warranted. Since 1995, there has been a wave of innovation associated with both the production and use of information technology that has been translated into improved US economic performance. In particular, there has been a substantial acceleration in trend total factor productivity growth. Most of this acceleration actually took place outside of the computer sector. Almost none of the acceleration was cyclical. There is now clear supportive evidence of an acceleration of productivity in service industries that are major purchasers of information technology such as finance and wholesale and retail trade. These gains reflect not only increased investment in information technology but also complementary innovations in business organization and policy. To be sure, as evidenced by recent financial market volatility, there have been speculative excesses, but these should not obscure the fundamental gains that have been made

How do firms that go public decide whether to list on a major stock exchange or locally? Using a unique data set on Israeli IPOs in the US and Tel Aviv, we show that companies that list in the US are young and overwhelmingly high-tech oriented. We argue that high-quality innovative firms are willing to incur additional costs associated with listing in the US in order to reveal their value and distinguish themselves from firms that issue stock back home. Costs of listing in the US include first day underpricing and relinquishing corporate control