Visar resultat 1 - 5 av 1665 avhandlingar innehållade ordet duration.
Sammanfattning : This thesis is divided into two distinct parts. The first part contains three chapters dealing with the analysis of duration data from an econometric perspective and with application to trade durations. LÄS MER
Sammanfattning : Estimation and testing in labour supply and unemployment duration models are studied. In the first two papers estimation techniques designed to account for quantity constraints and perceived tax scales are developed, while the remaining three papers focus on specification tests. LÄS MER
Sammanfattning : The overall aim of this thesis was to increase knowledge about factors that influence breastfeeding initiation and duration, as well as about women’s attitudes towards breastfeeding during pregnancy.The first two studies were a part of the UPPSAT project, a population-based cohort study conducted in Uppsala, Sweden. LÄS MER
Sammanfattning : .... LÄS MER
Sammanfattning : The process of labour market transformation in the 1990s attracted a lot of attention from economists and policy makers. Unprecedented changes, like rapid reforms in Central and Eastern Europe and later the expansion of the European Union, require a deeper understanding of current labour-market trends. LÄS MER