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271.
One of the stylized facts of unfunded social security programsis that programs are larger in size, measured relative to theGDP, the tighter the link between pension claims and past earnings.We provide a political economy explanation of this stylizedfact in a median voter model, where people vote on the socialsecurity tax rate. We compare pension systems with flat-rateand earnings-related benefit formulas. Only flat-rate benefitsredistribute within a generation from high to low income groups.If labor supply is endogenous, they also imply larger efficiencycosts than earnings-related schemes. Using data on eight Europeancountries, we find that the median voter is typically middle-agedwith high income. For these voters, earnings-related systemsare more attractive both because of less intragenerational redistributionand lower distortions in labor supply. The median voter modelis also able to account for a considerable degree of cross-countryvariation in contribution rates. 相似文献
272.
We consider a finite society with of individuals distributed along the real line. The individuals form jurisdictions to consume
public projects, equally share their costs and, in addition, bear a transportation cost to the location of the project. We
examine a core and Nash notions of stable jurisdiction structures and show that in hedonic games both solution sets could
be empty. We demonstrate that in a quasi-hedonic set-up there is a Nash stable partition, but, in general, there are no core
stable partitions. We then examine a subclass of societies that admits the existence of both types of stable partitions.
Financial support through grants R98-0631 from the Economic Education and Research Consortium, # NSh-1939.2003.6 School Support,
Russian Foundation for Basic Research No. 04-02-17227, and the Russian Science Support Foundation is gratefully acknowledged. 相似文献
273.
Laurence Ales Francesca Carapella Pricila Maziero Warren E. Weber 《Journal of Economic Theory》2008,142(1):5-27
Prior to 1863, state-chartered banks in the United States issued notes—dollar-denominated promises to pay specie to the bearer on demand. Although these notes circulated at par locally, they usually were quoted at a discount outside the local area. These discounts varied by both the location of the bank and the location where the discount was being quoted. Further, these discounts were asymmetric across locations, meaning that the discounts quoted in location A on the notes of banks in location B generally differed from the discounts quoted in location B on the notes of banks in location A. Also, discounts generally increased when banks suspended payments on their notes. In this paper we construct a random matching model to qualitatively match these facts about banknote discounts. To attempt to account for locational differences, the model has agents that come from two distinct locations. Each location also has bankers that can issue notes. Banknotes are accepted in exchange because banks are required to produce when a banknote is presented for redemption and their past actions are public information. Overall, the model delivers predictions consistent with the behavior of discounts. 相似文献
274.
Use of test data is an important evidence collection method that auditors can employ to evaluate the authenticity, accuracy, and completeness of program processing. Nevertheless, test data design is a time-consuming and error-prone process. To facilitate design, two approaches advocated are the decision-tree approach and the decision-table approach. An experiment conducted to examine the quality of test data designs produced using both approaches showed some support for the superiority of the decision-table approach over the decision-tree approach. Insofar as the results obtained are problematical, however, the research needs to be replicated and extended. 相似文献
275.
276.
Innovating Beyond the Horizon: CEO Career Horizon,Top Management Composition,and R&D Intensity
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Decreasing research and development (R&D) can impair the ability of firms to remain innovative in the long run. CEOs have been accused of curtailing R&D investments as they approach expected retirement, yet received findings on R&D investment behaviors of late‐career CEOs are mixed. We argue that one reason for these inconsistent findings could be that traditional approaches overlook the fact that CEOs are not isolated agents in making R&D decisions. We build on the premise that CEOs interact with their top management team (TMT) when shaping R&D strategy and advance a contextualized view of CEO dispositions in their late career stages as being constrained or enabled by their TMT. We hypothesize that some TMT attributes (e.g., tenure and age) may amplify, whereas others (e.g., functional experience and education) may mitigate inclinations to reduce R&D. Our findings, based on a longitudinal sample of 100 US manufacturing firms from 1998 to 2008, provide nuanced insights into how different TMT characteristics influence CEO‐TMT dynamics, with TMT age and TMT tenure playing particularly pronounced roles. We discuss implications of our CEO‐TMT interface approach for theory and practice. © 2015 Wiley Periodicals, Inc. 相似文献
277.
Guesnerie and Oddou [J. Econom. Theory25 (1981), 67–91] raised the open question whether an economy, in which the production of a public good is financed via proportional taxation, has a stable structure. By means of the first example a negative answer to this question is provided. The second example shows that a stable structure may fail to exist even if all the individuals have the same initial endowments in private good. 相似文献
278.
We estimate the effect of age of school entry on educational outcomes using two different data sets for Germany, sampling pupils at the end of primary school and in the middle of secondary school. Results are obtained based on instrumental variable estimation exploiting the exogenous variation in month of birth. We find robust and significant positive effects on educational outcomes for pupils who enter school at 7 instead of 6 years of age: test scores at the end of primary school increase by about 0.40 standard deviations and the probability to attend the highest secondary schooling track (Gymnasium) increases by about 12% points. 相似文献
279.
Transitions, or socio-technological transformations, towards sustainability can be considered as a long-term transformation at the level of society as a whole, which in turn consists of a sequence of short-term innovations. The direction and speed of transitions are largely determined by the collective innovation decisions of various actors. A crucial characteristic of transitions is that they involve many uncertainties. The uncertainties that actors perceive greatly influence their innovation decisions. Namely, perceived uncertainties might stimulate some actors to fulfill certain key activities that are crucial for achieving a transition, while blocking other actors from undertaking these activities. In order to understand and manage transitions, insight into the types of perceived uncertainties that dominate the innovation decisions is essential. Furthermore, we need to understand if perceived uncertainties block or stimulate transitions by analyzing how actors respond to perceived uncertainties.This article focuses on the first transition phase: the pre-development phase. An interesting case to study the role of uncertainties in this phase is the introduction of micro-CHP in the Netherlands. The main questions of this article are: Which types of perceived uncertainties are dominant for the innovation decisions related to micro-CHP in the Netherlands? How do actors react to the perceived uncertainties?The case results demonstrate that different types of uncertainties influence the innovation decisions of the involved actors. The most dominant sources of uncertainty are technological and political uncertainty. Furthermore, the case shows that responses to uncertainty vary largely between various types of actors. Perceived uncertainties seem to block some actors, but induce other actors in fulfilling key activities that are essential for achieving a transition. We discuss how these insights can be used for improving policy for stimulating transitions. 相似文献
280.
Russia is a major importer of agro-food products in the Commonwealth of Independent States (CIS), whereas Kazakhstan’s agro-food sector is more export-oriented. Based on a multi-market-model with bilateral trade, the paper investigates how a Common Agricultural Market (CAM) and World Trade Organization (WTO) accession would affect prices, quantities, and welfare on agro-food markets in both countries. Trade diversion effects are expected because of a changed tariff structure. Kazakhstan’s agro-food sector will loose price competitiveness on Russia’s markets if liberalization is too narrowly focused on import tariffs. Simulations also suggest that national product differentiation can be part of a strategy for Russian agro-food industries to cope with stronger international competition. 相似文献