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1.
Control groups can provide counterfactual evidence for assessing the impact of an event or policy change on a target variable. We argue that fitting a multivariate time series model offers potential gains over a direct comparison between the target and a weighted average of controls. More importantly, it highlights the assumptions underlying methods such as difference in differences and synthetic control, suggesting ways to test these assumptions. Gains from simple and transparent time series models are analysed using examples from the literature, including the California smoking law of 1989 and German reunification. We argue that selecting controls using a time series strategy is preferable to existing data‐driven regression methods.  相似文献   
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In this second of two related papers in this issue, the causes of declining levels of housing transactions in Britain during the 1990s are explored. The lower transaction levels resulted partly from the changing behavior of young individuals. Both household formation and owner–occupation rates of these groups also fell sharply. Using panel data, we investigate the causes of reduced new household formation and owner–occupation, finding that changes in the income distribution away from young cohorts have been an important factor.  相似文献   
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This paper argues that trade union activism within the new era of information and communication technologies (ICTs) offers the potential for unions to become more inclusive of under‐represented groups. Traditional conceptions of activism, participation and democracy within trade unions require physical presence at meetings at times and in spaces incompatible with caring responsibilities and atypical hours of work. This restricts the participation of women and other ‘atypical’ workers in trade unions. The paper explores the complexities of electronic forms of union activism in practice, indicating that while some positive features are experienced, there are also a range of obstacles, barriers and possible negative consequences.  相似文献   
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In recent years, geographers and urban sociologists have sought to map and understand the emergence and development of lesbian and gay spaces within the city — popularly dubbed ‘the scene’. It is often asserted that the city is a space of sexual liberation and that specifically the ‘scene’ can play an important part in lesbian and gay men's identity formation and development. However, despite the range and richness of the academic literature on the production and emergence of lesbian and gay urban spaces, relatively little attention has been paid to the actual role of the scene in the ‘coming out’ process and the way young lesbians and gay men negotiate transitions to adulthood. This article addresses this neglect by drawing on empirical work with lesbians and gay men in the UK to explore what the scene has meant to them. In the first half of the article we focus on the positive roles that the scene can play in helping young people to find themselves as they make the transition from childhood to adulthood. In the second half of the article we consider the risks that they can encounter in the process. We conclude by reflecting on the scene as a paradoxical space, and on the implications of this research for the youth transitions and urban studies literatures, and for social policy.  相似文献   
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This paper attempts to explain why home ownership rates among young adults fell in the early 1990s when various indicators suggested it had become more affordable. As a potential explanation, we focus on the relatively slower growth in their incomes and argue that this could signal a fundamental change in behaviour, a change in route adopted into owner occupation, induced by structural economic change. In examining the implications for housing tenure, we use a conditional fixed effects multinomial logit model to exploit the information on the tenure choice and the timing of transitions in the British Household Panel Survey. Our results reveal that relatively slower income growth contributed significantly to this decline and that ignoring the intertemporal correlation in micro‐panels generates inconsistent results.  相似文献   
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Abstract: The pronouncement by the G‐8 Summit at Gleneagles in July 2005 on debt cancellation under the HIPC Initiative, affirmed by the G‐8 Ministers of Finance in Washington in September, should signal the beginning of debt relief for the world's heavily indebted poor countries (HIPC), mostly African. It is expected that debt cancellation should return the beneficiary countries to debt sustainability and afford their governments the fiscal space to invest in basic infrastructure and social services. Countries could significantly enhance their prospects for maintaining debt sustainability mainly by adopting debt management strategies that de‐emphasize excessive borrowing, checking the expansion of unproductive public sector activities and the associated fiscal deficits, financial restructuring to reduce the bias against autonomous capital flows, and taking deliberate actions to expand exports.  相似文献   
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This paper uses evidence from late nineteenth-and early twentieth-century personnel records of two Australian banks to examine the nature of internal labour markets prior to the Second World War. It is argued that the industry possessed all the classic features of internal labour markets: limited ports of entry, internal promotion, long careers, and assignment of wages by well-defined rules. The paper then examines the reasons why banks adopted internal labour markets. Finally, the paper examines the recent decline of internal labour markets and examines the role of technological and social changes in this decline.  相似文献   
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