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- Özcan, Gülay, 1973-
(författare)
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Essays on Labor Market Disparities and Discrimination : Immigration, Education and Gender
- 2011
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The thesis consists of four papers, summarized as follows. Do Host Country Educations Even Out the Playing Field? Immigrant-Native Labor Market Gaps in Sweden This study follows a cohort of students from Swedish compulsory school graduation in 1988 until 2002 to document differences in education, including grades and field of education, and labor market outcomes between immigrants and natives. Results indicate initial differences in youth labor market status and long term differences in employment rates, most notably for those with Non-European backgrounds. Acculturation Identity and Higher Education: Is There a Trade-off Between Ethnic Identity and Education? This paper examines the role of identification to home and host cultures on the pursuit of higher educations for individuals with immigrant backgrounds. Identity is defined according to a two-dimensional acculturation framework based on strength of identification to both ethnic background cultures and the majority culture. The results put into question the premise of oppositional identities. Is It How You Look or Speak That Matters? -An Experimental Study Exploring the Mechanisms of Ethnic Discrimination Using a laboratory experiment, we explore the following questions: Are beliefs about performance affected by if a candidate is perceived to have looks that are non-stereotypical for the dominant population? Do these beliefs change if the candidate has a native-like vs. accented speech? We find that candidates not perceived as stereotypically Swedish are considered to be worse performers. When candidates are presented by both looks and speech, we find negative beliefs for candidates that speak Swedish with a foreign-accent. Sector Differences in the Glass Ceiling in Sweden -Is Occupational Segregation the Explanation? This paper explores sector differences in how the gender wage gap varies across the wage distribution and examines the role of occupational segregation in explaining this variation for Sweden. Results indicate that the phenomenon known as the glass ceiling is stronger in the public sector than in the private sector. This difference is found to be due to occupational segregation.
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| 2. |
- Aad, G, et al.
(författare)
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Measurements of fiducial cross-sections for [Formula: see text] production with one or two additional b-jets in pp collisions at [Formula: see text]=8 TeV using the ATLAS detector.
- 2016
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Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044. ; 76
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Tidskriftsartikel (refereegranskat)abstract
- Fiducial cross-sections for [Formula: see text] production with one or two additional b-jets are reported, using an integrated luminosity of 20.3 fb[Formula: see text] of proton-proton collisions at a centre-of-mass energy of 8 TeV at the Large Hadron Collider, collected with the ATLAS detector. The cross-section times branching ratio for [Formula: see text] events with at least one additional b-jet is measured to be 950 [Formula: see text] 70 (stat.) [Formula: see text] (syst.) fb in the lepton-plus-jets channel and 50 [Formula: see text] 10 (stat.) [Formula: see text] (syst.) fb in the [Formula: see text] channel. The cross-section times branching ratio for events with at least two additional b-jets is measured to be 19.3 [Formula: see text] 3.5 (stat.) [Formula: see text] 5.7 (syst.) fb in the dilepton channel ([Formula: see text], [Formula: see text], and ee) using a method based on tight selection criteria, and 13.5 [Formula: see text] 3.3 (stat.) [Formula: see text] 3.6 (syst.) fb using a looser selection that allows the background normalisation to be extracted from data. The latter method also measures a value of 1.30 [Formula: see text] 0.33 (stat.) [Formula: see text] 0.28 (syst.)% for the ratio of [Formula: see text] production with two additional b-jets to [Formula: see text] production with any two additional jets. All measurements are in good agreement with recent theory predictions.
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| 3. |
- Aad, G, et al.
(författare)
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Searches for scalar leptoquarks in pp collisions at [Formula: see text] = 8 TeV with the ATLAS detector.
- 2016
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Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044. ; 76
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Tidskriftsartikel (refereegranskat)abstract
- Searches for pair-produced scalar leptoquarks are performed using 20 fb[Formula: see text] of proton-proton collision data provided by the LHC and recorded by the ATLAS detector at [Formula: see text] TeV. Events with two electrons (muons) and two or more jets in the final state are used to search for first (second)-generation leptoquarks. The results from two previously published ATLAS analyses are interpreted in terms of third-generation leptoquarks decaying to [Formula: see text] and [Formula: see text] final states. No statistically significant excess above the Standard Model expectation is observed in any channel and scalar leptoquarks are excluded at 95 % CL with masses up to [Formula: see text] 1050 GeV for first-generation leptoquarks, [Formula: see text] 1000 GeV for second-generation leptoquarks, [Formula: see text] 625 GeV for third-generation leptoquarks in the [Formula: see text] channel, and 200 [Formula: see text] 640 GeV in the [Formula: see text] channel.
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