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When the Cat Is Near, the Mice Won't Play: The Effect of External Examiners in Italian Schools
Bertoni, Marco; Brunello, Giorgio; Rocco, Lorenzo - Institute for the Study of Labor (IZA) - 2012
We use a natural experiment to show that the presence of an external examiner in standardized school tests reduces the proportion of correct answers in monitored classes by 5.5 to 8.5% – depending on the grade and the test – with respect to classes in schools with no external monitor. We...
Persistent link: https://www.econbiz.de/10010814463
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Testing for Nonparametric Identification of Causal Effects in the Presence of a Quasi-Instrument
de Luna, Xavier; Johansson, Per - Institute for the Study of Labor (IZA) - 2012
The identification of average causal effects of a treatment in observational studies is typically based either on the unconfoundedness assumption or on the availability of an instrument. When available, instruments may also be used to test for the unconfoundedness assumption (exogeneity of the...
Persistent link: https://www.econbiz.de/10010990937
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Evaluating Dominance Ranking of PSID Incomes by Various Household Attributes
Maasoumi, Esfandiar; Heshmati, Almas - Institute for the Study of Labor (IZA) - 2005
We examine the dynamic evolution of incomes, both disposable and gross, for several groups in the PSID panel data at several points from 1968 to 1997. We employ the extended Kolmogorov-Smirnov tests of First and Second Order Stochastic Dominance (SD) as implemented by Maasoumi and Heshmati...
Persistent link: https://www.econbiz.de/10005761884
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The Revealed Preference Approach to Collective Consumption Behavior: Testing, Recovery and Welfare Analysis
Vermeulen, Frederic; Cherchye, Laurens; Rock, Bram De - Institute for the Study of Labor (IZA) - 2007
nonparametric testing tools for data consistency with special cases of the collective model, which impose specific structure on the … preferences of the group members (in terms of consumption externalities and public consumption); and we show that these testing … income shares that underlie observed (collectively rational) group behavior. In addition, we present formally similar testing …
Persistent link: https://www.econbiz.de/10005762164
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Unscheduled School Closings and Student Performance
Marcotte, Dave E.; Hemelt, Steven W. - Institute for the Study of Labor (IZA) - 2007
Do students perform better on statewide assessments in years in which they have more school days to prepare? We explore this question using data on math and reading assessments taken by students in the 3rd, 5th and 8th grades since 1994 in Maryland. Our identification strategy is rooted in the...
Persistent link: https://www.econbiz.de/10005822951
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The Value of Hiring through Referrals
Burks, Stephen V.; Cowgill, Bo; Hoffman, Mitchell; … - Institute for the Study of Labor (IZA) - 2013
Employee referrals are a very common means by which firms hire new workers. Past work suggests that workers hired via referrals often perform better than non-referred workers, but we have little understanding as to why. In this paper, we demonstrate that this is primarily because referrals allow...
Persistent link: https://www.econbiz.de/10011128036
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Does the mobility of R&D labor increase innovation?
Kaiser, Ulrich; Kongsted, Hans Christian; Rønde, Thomas - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2014
-level support for the notion that labor mobility stimulates overall innovation of a country or region due to knowledge transfer. …
Persistent link: https://www.econbiz.de/10011104995
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Religion and Innovation
Benabou, Roland; Ticchi, Davide; Vindigni, Andrea - Institute for the Study of Labor (IZA) - 2015
individual level, examining the relationship between religiosity and a broad set of pro- or anti-innovation attitudes in all five … waves of the World Values Survey (1980 to 2005). We thus relate eleven indicators of individual openness to innovation … innovation. …
Persistent link: https://www.econbiz.de/10011265295
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Innovation, Inequality and a Golden Rule for Growth in an Economy with Cobb-Douglas Function and an R&D Sector
Welfens, Paul J. J. - Institute for the Study of Labor (IZA) - 2015
capital is positively influenced by the size of the R&D sector, sheds new light on innovation and growth as well as income …
Persistent link: https://www.econbiz.de/10011265664
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The impact of brand use on innovation performance: Empirical results for Germany
Crass, Dirk - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2014
The market launch of product innovations is the most visible output of a firm's investment in innovation activities. To … number of different ways, and optimize their innovation process. The success of a firm's innovation strategy has two … product innovation. Second, the ability to turn the market introduction of a product innovation into commercial success. While …
Persistent link: https://www.econbiz.de/10011122570