Theory 1 (H1)
Even after migration sense, first-age group migrant women in Sweden exhibit virility behaviour, in terms of timing and you may quantum, like stayers at origin – socialisation hypothesis.
Hypothesis dos (H2)
New virility actions away from earliest-generation migrant female differs in regard to timing and you will quantum to that from each other stayers at the source (H2a) and neighbors at appeal (H2b), with differences pertaining to migrant women differing inside relationship reputation, cohort, and you will education-options hypothesis.
Instance pointers has been shown becoming essential virility behaviour as a whole and also for migrants particularly (elizabeth.grams., Baykara-Krumme & Milewski, 2017; Milewski, 2007; Milewski, 2010a). I and additionally run relationship reputation since an indicator of an enthusiastic unobserved liberal worth orientation off migrant women compelling them to have students from wedlock.
Theory step 3 (H3)
The new virility conduct away from migrant lady converges across migrant generations to help you typical from the appeal. Within experience, the next generation, confronted with the latest main-stream norms and you can personal formula throughout their young people and you may reproductive ages, keeps fertility behavior similar to that of residents, in terms of time and you will quantum, and a lot more very compared to first generation-adaptation hypothesis.
To test such hypotheses, i concentrate on the transition in order to basic and you can second births as the initial delivery orders shaping total virility cost in the Western european regions. Though with a first son is (nearly) universal both in Sweden and you can Poland, our efficiency have a tendency to donate to the brand new dialogue to your time away from (first) parenthood and highlight new perception off migration to the virility, researching migrants and stayers. On the other hand, the latest change in order to another man is common for the Sweden but shorter thus from inside the Poland; thus, we will emphasize besides the differences ranging from Polish migrants and you may (Polish) stayers and in addition those individuals ranging from Polish stayers and you can Swedish residents.
Study and techniques
We use Swedish check in analysis additionally the very first wave of your Gloss Generations and you can Gender Survey (GGS) Footnote step one , emphasizing ladies produced in Poland and you will Sweden between 1950 and you may 1992. Both the Swedish files as well as the GGS have a beneficial longitudinal settings, and therefore it is relatively easy to help make the a couple of datasets equivalent. not, in selecting the research populace and you will building the newest explanatory details, certain restrictions are expected; these are revealed later in this area along with the latest part to your details. New Swedish register study is actually obtained on ‘Migrant Trajectories: Geographic Versatility, Loved ones Professions, A career, Knowledge, and you may Public Insurance rates inside Sweden’ enterprise. The population will be based upon the new Historic Populace Records (Historiska befolkingsregistret), an effective longitudinal database covering men who has ever been inserted from inside the Sweden. Within this data, i notice specifically on the females joined within the Sweden in 2010.
New GGS analysis is accumulated within the Poland inside late 2010 so you can early 2011. In order to achieve a sample size of 20,100 somebody oversampling was applied, with 48,100 tackles went to to arrive it mission. The reaction price try 55% (Vignoli et al., 2018). To be included in the take to choices, some body had to be Shine-speaking, old 18–79, and you can located in a personal domestic. Birth and you can marital records had been compiled thru retrospective questions. All in all, 19,987 anyone participated in the latest questionnaire, from just who eleven,578 had been women (Kotowska mais aussi al., 2019).
Specific women in the brand new Gloss GGS features shed information about its children’s birth season otherwise whether or not the boy is actually physiological, adopted, a foster-child or a good stepchild, and therefore are for this reason omitted in the research. Feamales in the latest Swedish registers who’d puzzling marital histories, including marrying twice in a row in the place of divorcing around otherwise elizabeth date, are also omitted. Because of the enjoy-records approach from the report, those with numerous e few days are omitted. Once the marital status information is supplied by January step one, 1968 regarding the information, for many females divorce or widowhood is the very first joined marital enjoy since there is zero information regarding once they hitched. 
Some of these women are Polish migrants who hitched before swinging so you can Sweden and are usually hence stored in the analysis, if you are Swedish-born people with splitting up or widowhood because their very first marital experience try decrease. Polish migrants with no details about marital position at migration try as well as omitted.