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201.
Spurious Rejections by Perron Tests in the Presence of a Break 总被引:1,自引:0,他引:1
Tae-Hwan Kim Stephen J. Leybourne & Paul Newbold 《Oxford bulletin of economics and statistics》2000,62(3):433-444
In this paper, we concentrate on the case of an exogeneously chosen break date, but entertain the possibility that an incorrect choice is made. In fact, the Perron test statistics considered are invariant to any break in the generating process at the assumed break date. Our results therefore apply equally to the case of a generating process with two breaks, only one of which is specifically accounted for in the analysis. As in Leybourne et al . (1998), we find that a neglected relatively early break can lead to spurious rejections of the unit root null hypothesis. Moreover, for all but one of the tests analyzed, spurious rejections now also arise if a true break occurs relatively soon after the assumed break date. 相似文献
202.
Paul Holmes 《Labour economics》2011,18(3):320-331
Salary discrimination in MLB has largely been discarded as a research topic. However traditional quantitative methods (particularly least squares regression) have concentrated on the effect of race for the average player. If only a particular salary class of players are subject to discrimination, or if the size of the discrimination is small at the average, then least-squares techniques will struggle to identify discrimination. I use quantile regression to uncover salary discrimination against black players in the lower half of the salary distribution. Not only are the premia for white and Hispanic players statistically significant, but they are large: up to 25% of salary for the bottom quintile of players. 相似文献
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Paul Cook 《American journal of economics and sociology》2021,80(1):23-51
This article explores the history of the university as a modern social institution through the epistemological framework of crisis. Starting from the historical understanding that the university has always‐already been in the throes of crisis, and that such crisis (or crises) are cemented into the conceptual architecture of both the university itself and the inherently promiscuous nature of knowledge in society, this exploration of the university in crisis endeavors to show how crisis is as old as knowledge itself. Building on the insights of such social theorists and historians of the university as Samuel Weber, Bill Readings, Jean‐Francois Lyotard, and Gregg Lambert, my hope is to draw out from these writers the intellectual sustenance that is sorely needed (and largely lacking) in today’s discourse on the “university of crisis.” 相似文献
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We consider a labour market model of oligopsonistic wage competition and show that there is a holdup problem although workers do not have any bargaining power. When a firm invests more, it pays a higher wage in order to attract workers from competitors. Because workers participate in the returns on investment while only firms bear the costs, investment is inefficiently low. A binding minimum wage can achieve the first-best level of investment, both in the short run for a given number of firms and in the long run when the number of firms is endogenous. 相似文献
208.
More than eight years after the introduction of the euro, impacts on developing countries have been relatively modest. Overall, the euro has become much more important in debt issuance than in official foreign exchange reserve holdings. The former has benefited from the creation of a large set of investors for which the euro is the home currency, while demand for euro reserves has been held back by the dominance of the dollar as a vehicle and intervention currency, and the greater liquidity of the market for US treasury securities. Fears of further dollar decline may fuel some shifts out of dollars into euros, however, with the potential for a period of financial instability. 相似文献
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There are repeated calls to go ‘Beyond GDP’, for measures of wellbeing and progress in addition to those that the System of National Accounts (SNA) is designed to provide. We identify key issues that can help build on the rigour of SNA whilst fitting the measurement of economic performance within a broader assessment of national wellbeing and progress. Such drivers are already leading to a proliferation of indicators and accounts, for example in the development of non‐monetary measures of natural resources, but there are significant measurement challenges, not least the question of whether a single, overall measure or index of wellbeing is valid. But the challenge of measurement, per se, is one thing: in our view, a more critical issue is whether the measures will actually be used. We propose a dynamic and multi‐staged approach for developing SNA, embracing the production and use of measures. This would start by identifying user requirements for wider measures, to provide the basis for national and cross‐national developments in well‐being accounting. We envisage greater branding and marketing of national well‐being concepts to promote measures and support their use. We call for outreach by producers, so that there is dialogue about the development and use of measures. 相似文献