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91.
Bubbles as payoffs at infinity 总被引:1,自引:0,他引:1
Summary We define rational bubbles to be securities with payoffs occurring in the infinitely distant future and investigate the behavior of bubbles values. We extend our analysis to a setting of uncertainty. In an infinite horizon arbitrage-free model of asset prices, we interpret the money market account as the value of a particular bubble; a similar interpretation holds for other assets related to the state-price deflator and to payoffs on bonds maturing in the distant future. We present three applications of this characterization of bubbles.This paper was circulated under the title Stochastic bubbles in Markov economies. We acknowledge with gratitude numerous conversations with Mark Fisher, the editorial advice of David Levine and the useful comments of anonymous referees. This paper should not be interpreted as reflecting the views of the Board of Governors of the Federal Reserve System or its staff. 相似文献
92.
Philippe?Bontems Gilles?Rotillon Nadine?TurpinEmail author 《Environmental and Resource Economics》2005,31(3):275-301
We consider a model of regulation for nonpoint source water pollution through non-linear taxation/subsidization of agricultural production. Farmers are heterogenous along two dimensions, their ability to transform inputs into final production and the available area they possess. Asymmetric information and participation of farmers to the regulation scheme put constraints on the optimal policy that we characterize. We show that a positive relationship between size of land and ability may exacerbate adverse selection effects. We calibrate the model using data on a French watershed and we simulate the optimal second-best policy and characterize the allocation of the abatement effort among the producers.Authorship is equally assigned among the different authors. 相似文献
93.
Summary In the theory of economies with public goods one usually considers the case in which private goods are essential, i.e., each agent receives a fixed minimum level of utility if he consumes no private goods, irrespective of the public goods consumed. This paper develops the second welfare theorem for economies with public projects and possibly inessential private goods. As a corollary we also derive conditions under which valuation equilibria exist.hank Dolf Talman and an anonymous referee for many useful remarks and annotations of a previous draft of this paper. 相似文献
94.
Two integrated stock markets are generally subjected to common shocks revealing that commonalities in fundamentals drive their underlying return processes. In such a case, volatility series should share a long-run component although their transitory components might temporary diverge. In this paper, we investigate stock market integration in East Asia by analyzing the co-persistent nature of their ex-post observed volatility. Using recent fractional cointegration techniques, we find that volatility of several markets converges in the long run to a common equilibrium. Our results reveal that a global integration process drives the most developed markets of the region, while no evidence of co-persistence appears for emerging markets. 相似文献
95.
Gilles Marion 《Consumption Markets & Culture》2013,16(1):29-56
This article explores the ways that French teenage girls use fashion discourse to construct their evolving identity from their recently left childhood to their future as fully grown women. Verbatim texts of 14 phenomenological discussions concerning clothing, accessories, make‐up and fashion are interpreted using the concepts of bricolage (Lévi‐Strauss), tactics (Certeau) and narrative identity (Ric?ur). The findings resonate with Thompson and Haytko’s portrayal of a dialogical relationship between consumers and a system of countervailing fashion meanings and with Murray’s exposition of a dialectical and discursive tension between sign‐experimentation and sign‐domination. But beyond this we elucidate the process by which teenagers also acquire, from personal social milieu, skills and tactics through which they toy with preconstrained sartorial symbolism to construct the plot line of their own lives which, in turn, reflects their past, defines their present self and presages their future. 相似文献
96.
Consumer concern about food quality issues has been increasing in Europe recently as a result of the series of food safety
crises and the on-going debate on genetically engineered food products. The characteristics of a good which interest consumers
in this connection cannot be directly ascertained by them, however. Credible mechanisms are required for monitoring these
“credence characteristics” and signalling the results to consumers. The public authorities have an important role to play
in this regard. 相似文献
97.
This paper provides empirical evidence that there is no convergence between the GDP per‐capita of the developing countries since 1950. Relying upon recent econometric methodologies (non‐stationary long‐memory models, wavelet models and time‐varying factor representation models), we show that the transition paths to long‐run growth (the catch‐up dynamics) are very persistent over time and non‐stationary, thereby yielding a variety of potential steady states (conditional convergence). Our findings do not support the idea according to which the developing countries share a common factor (such as technology) that eliminates per‐capita output divergence in the very long run. Instead, we conclude that growth is an idiosyncratic phenomenon that yields different forms of transitional economic performance: growth tragedy (some countries with an initial low level of per‐capita income diverge from the richest ones), growth resistance (with many countries experiencing a low speed of growth convergence), and rapid convergence. 相似文献
98.
Abstract: This paper proposes an empirical study of the links between poor governance, weak institutions and the growth of per capita income in the countries that belong to the Economic Community of West African States (ECOWAS). We estimate a conditional beta‐convergence model using panel data. We find that variables such as the rule of law, property rights, the regulatory burden, political violence, and government ineffectiveness hinder growth in these countries. An interesting question is then the following: what can the countries do to improve their situations? To answer this question, we give several examples (Ghana, Nigeria and the NEPAD) of measures that are undertaken in order to strengthen the institutions and improve governance. 相似文献
99.
Nadine Quenneville Kathleen Bentein Gilles Simard 《Canadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l\u0027Administration》2010,27(2):122-135
This study examines the relationship of perceived organizational values to employee mobilization behaviours as mediated by perceived organizational support (POS) and affective organizational commitment. Firstly, a scale comprising three types of perceived organizational values (interpersonal values, formal values, and individual well‐being‐centered values) was developed and validated using a sample of 580 employees. Secondly, the relationships among variables were examined using structural equations modeling on an independent sample of 260 employees. POS mediated the relationship between employees' perceptions that their organization values the individual well‐being of its members and their affective organizational commitment, which in turn mediated the relationship between POS and individual mobilization behaviours. The contributions of these findings to advancing scholarship and practice are discussed. Copyright © 2010 ASAC. Published by John Wiley & Sons, Ltd. 相似文献
100.