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Testing for measurement invariance by detecting local misspecification and an illustration across online and paper-and-pencil samples

Political scientists often need to evaluate whether samples are comparable,for example, when analysing different countries or time points or when comparing data collected using different methods. A necessary condition for conducting such meaningful cross-group comparisons is the establishment of measurement invariance. One of the most frequently used procedures for establishing…

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English / 01/01/2015

Skill heterogeneity in startups and its development over time

We study how startup teams are assembled in terms of team member human capital characteristics. To this end, we derive a statistically motivated benchmark for new venture team heterogeneity in terms of observed team member characteristics to generate stylized facts about team member diversity at startup and how it evolves as the new venture matures. We use the population of Danish…

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English / 01/01/2015

The origins and resolution of debt crises: it is not always fiscal!

This paper shows that debt crises do not always have a fiscal nature and suggests that fiscal retrenchment may not be the optimal response to a crisis that did not originate from irresponsible fiscal policies. The paper starts by discussing the origin of debt crises and the unexplained part of public debt and for avoiding debt explosions linked to financial crises or poor debt…

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English / 20/10/2014

The State, socialization, and private schooling: when will governments support alternative producers?

Understanding the institutional features that can improve learning outcomes and reduce inequality is a top priority for international and development organizations around the world. Economists appear to have a good case for support to non-governmental alternatives as suppliers of schooling. However, unlike other policy domains, freer international trade or privatization, economists…

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English / 16/10/2014

Procurement of goods and services by international organisations in donor countries

This article examines the procurement of goods and services by multilateral organisations from suppliers, based on a panel data including industrialised countries and emerging economies over 11 years. It presents the results of an empirical study – the first of its kind – on the explanatory factors of variations between countries, which are mainly attributable to such factors as the…

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English / 15/10/2014

International capital flows under dispersed private information

It is well established that private information is critical to our understanding of asset prices. In this paper we argue that it also affects international capital flows and use a simple two-country DSGE model to illustrate its impact. We show that private information (i) increases the volatility of both net and gross capital flows, (ii) leads to a high correlation between capital…

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English / 14/10/2014

Can system dynamics learn from social network analysis?

This article deals with the analysis of large or complex system dynamics (SD) models, exploring the benefits of a multimethodological approach to model analysis. We compare model analysis results from SD and social network analysis (SNA) by deploying SNA techniques on a pertinent example from the SD literature—the world dynamics model. Although SNA is a clearly distinct method from…

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English / 24/07/2014

Minimum wage and firm employment: evidence from China

This paper studies how minimum wage policies affect firm employment in China using a unique county level minimum wage data set matched to disaggregated firm survey data. We investigate both the effect of imposing a minimum wage, and the effect of the policies that tightened enforcement in 2004. We find that the average effect of minimum wage changes is modest and positive, and that…

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English / 24/04/2014

Do real exchange rate appreciations matter for growth?

While the impact of exchange rate changes on economic growth has long been an issue of key importance in international macroeconomics, it has received renewed attention in recent years, owing to weaker growth rates and the debate on “currency wars”. However, in spite of its prevalence in the policy debate, the connection between real exchange rates and growth remains an unsettled…

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English / 04/04/2014

The (lack of) impact of impact: why impact evaluations seldom lead to evidence-based policymaking

A recurring puzzle to many academics and some policymakers is why impact evaluations, which have become something of a cottage industry in the development field, have so little impact on actual policymaking. In this paper, I study the impact of impact evaluations. I show, in a simple Bayesian framework embedded within a standard contest success function-based model of competition…

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English / 19/03/2014

Archetypes of inter-firm relations in the implementation of management innovation: A set-theoretic study in China's biopharmaceutical industry

Innovation research increasingly focuses on understanding why and how firms implement new management practices, processes or structures. Emerging in the shadow of research on technological innovation, growing evidence points towards the inter-firm relation as an important locus of innovation. Yet although organizational theory suggests discrete alternative inter-firm coordination…

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English / 01/01/2014

Childbearing and (female) research productivity: a personnel economics perspective on the leaky pipeline

Despite the fact that childbearing is time-consuming (i.e., associated with a negative resource effect), we descriptively find female researchers with children in business and economics to be more productive than female researchers without children. Hence, female researchers with children either manage to overcompensate the negative resource effect associated with childbearing by…

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English / 01/01/2014

Part-time employment-boon to women but bane to men? New insights on employer-provided training part-time employment

Although previous literature has found substantial differences between female and male workers in almost all labor market outcomes, the question of whether training participation differs between female and male part-time workers has been neglected. This article provides a novel examination of whether the part-time training gap is gender-dependent. Using a Swiss dataset, we find that…

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English / 01/01/2014

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