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14305 Uppsatser om Difference- in- difference analys - Sida 18 av 954

Citizens United : - en strid mellan yttrandefrihet och politisk jämlikhet?

Modern democracies rest on a foundation of values essential to their prosperity. Two of those values are freedom of speech and political equality. To many, these values appear to coexist effortlessly. However, what this thesis aims to expose are some of the problems that quickly arise when attempts to interpret the values fail.The thesis investigates a specific US Supreme Court ruling called Citizens United. The ruling enabled corporations and unions to use their own treasuries for unlimited independent political expenditures.

Faderskapsanalys av tallfrö från Västerhus fröplantage : Skillnad i pollenkontaminering mellan öppen pollinering och pollinering inom ett avgränsat system

In this study, pollen contamination (measured by the number of seeds pollinated by pollen not belonging to any of the clones on the seed orchard) is compared between open pollination and isolated pollination environments in a Scots pine (Pinus sylvestris) seed orchard called Västerhus, located outside Önsköldsvik. In this seed orchard a tent experiment is taking place. Skogforsk has built six large tents covering 12-14 trees with each tent. Fertilization patterns were compared between one tree in a tent with a supplementation of pollen from five clones not represented in the tent and another tree of the same clone subject to open pollination outside the tents. By using DNA markers the paternity was determined for 48 seeds from each tree.

Faderskapsanalys av tallfrö från Västerhus fröplantage : Skillnaden i pollenkontaminering mellan öppen pollinering och pollinering inom ett avgränsat system

In this study, pollen contamination (measured by the number of seeds pollinated by pollen not belonging to any of the clones on the seed orchard) is compared between open pollination and isolated pollination environments in a Scots pine (Pinus sylvestris) seed orchard called Västerhus, located outside Önsköldsvik. In this seed orchard a tent experiment is taking place. Skogforsk has built six large tents covering 12-14 trees with each tent. Fertilization patterns were compared between one tree in a tent with a supplementation of pollen from five clones not represented in the tent and another tree of the same clone subject to open pollination outside the tents. By using DNA markers the paternity was determined for 48 seeds from each tree.

Price adjustment and vacancies on theStockholm market ? Estimation of rent levelsdue to office-allocations

The Stockholm office market segment have for a long time been considered a safe havenwhen it comes to withstand negative turmoil in the form of rental compression due toeconomic fluctuation, especially in the CBD demographic. Recently however, a large numberof banks and institutions, amounting to some 200000 square meters, have decided to relocateto more peripheral locations with the aim of cost reductions on rent. This mass exodus isstudied with focus on rental dynamics as the result of increased vacancies. Other variables arestock changes and employment. The method is econometric combined with an interviewseries.

Studenters val av bank : demografiska skillnaders påverkan på konsumentbeteenden vad gäller banktjänster

Students today, in the banking system, are the least loyal group. Students are also the most costly group due to the large investments, made by the banks, for them. Banks have generalized all students in one category and have adapted their offering regardless of students? social statues. As the students banking needs are dependent on their position in their lifecycle, generalizing them in one group is not optimal.The aim of this thesis is to investigate those factors which influence students? choice of bank.

Statistisk analys av journalmaterial från två stuterier : en retrospektiv studie

Retrospective data from two stud farms, in this study named stud farm A and B, including 742 mares, was statistically analysed. Parameters included in the analysis were type of insemination, date of the first insemination, number of inseminations, the age of the mares, if the mares had a foal or not, foaling date, result of pregnancy examination (if it was done), twin pregnancy and treatments given to the mares. The pregnancy results and the treatments where compiled into a number of frequency tables in which the mares where arranged according to age, month of first insemination, foal or not and type of insemination. There was a significant difference in pregnancy result between the years at both stud farms (2001 better than 2002). At stud farm A, in year 2001, month (at start of insemination) significantly influenced the pregnancy result.

Sexualvanor och preventivmedelsanvändning hos svenska gymnasieelever

The aim of this study was to examine sexual behavior, contraceptive use, self-rated health, lifestyle factors and the prevalence of HPV vaccination among last year high school students. The study was a quantitative cross-sectional study which was a substudy of the longitudinal study " Pornography, Youth and Health". Results showed that the majority of students had had sexual intercourse (75 %, n=524) and both performed (67 %, n=479) and received oralsex (70 %, n=498). Forty percent (n=282) of the students had had one night stand, a quarter (n=159) anal sex and 29 (n=202) percent sex with a friend. The contraceptive use increased from the first to the last intercourse while the use of condoms decreased.

Evaluating six crop mixes used for game fields in southwest Sweden : biomass production, fallow deer preference and species diversity

Game fields are one way to divert animals away from sensitive areas, create shelter and forage, and also to increase the biological diversity. In this study I investigated how the plant composition in six different crop mixes used for game fields affected the biomass production, biomass consumption and biological diversity at the Koberg estate in southwestern Sweden. Six experimental fields were used and each field contained six plots, approximately 1500 m2 each, that was sown with a different crop mix. The crop mixes ranged from a pure grass mix (A), 70 % grass and 30 % leguminous plants (B), 53 % grass, 21 % leguminous plants and 26 % other herbs (C), 100 % leguminous plants (D) to the most complex mixes constituting of 91 % leguminous plants and 9 % other herbs (E) and 87 % leguminous plants and 13 % other herbs (F). The fields were cut weekly during the summer in 2010, to estimate weekly biomass production.

Effect of plant maturity at harvest of haylage on digestibility and faecal particle size in horses fed forage-dominated diets

Time of harvest affects nutritional value and digestibility of haylage since plants are in different developmental stages. The aim of this study was to examine the effect of plant maturity of haylage cut in June, July and August on digestibility and faecal particle size in horses.Forage and faecal samples used for the analysis of apparent dry matter digestibility (DMd) and particle size distribution in faeces were from a feed-study performed in the autumn of 2009. Twelve horses were used in the study, divided into three groups in a change-over experiment. Each group was fed haylage harvested in June, July or August during three periods. Faecal grab samples were taken from each horse and pooled so that one sample represented one horse during one period.

Vilken roll spelar förvaltningens förståelse, kunskap och vilja för att genomföra beslut? : En jämförande fallstudie mellan Hässleholms och Landskrona Kommun gällande förstärkt stöd till våldsutsatta kvinnor och barn som bevittnar våld

The objective of this thesis was to investigate factors that influence local government implementation. The study is a comparative case study between two local governments in Sweden; Hässleholm and Landskrona. Primarily the thesis aimed to look at the conditions faced by those implementing a new government directive aimed at supporting women who face violence, and their children who bear witness, by focusing on three key aspects for successful implementation: Implementers level of understanding, knowledge and will to implement decisions. Material in the form of documents and 14 interviews with key actors in the two authorities constitute the empirical foundation of the analysis. According to the results, are the two local governments pretty equal in achieving their projectgoal but the local government of Hässleholm had better policy-making, policy-design and policy process.

En jämförelse av hästens tidsbudget och dygnsrytm : frilevande och i stall

Today it is common to have adult horses stabled for most of the day. This limits the horses? ability to perform some of their natural behaviors such as foraging and movement. The purpose of this review was to compare the feral horses? diurnal rhythm and time budget with stabled horses.

Mobile-first eller Desktop-first, en studie av utvecklingslösningar för responsiv web design

The thesis analyzes two different approaches towards responsive web design, Mobile-first and Desktop-first. Responsive web design is a concept for websites whose design is customised based on the screen size. The analysis is performed by collecting views on the methods and also analyzing the usage of mobile and desktop internet to create a prototype of a responsive website where both methods are beeing used.The main difference between the methods is the foundation, where one is designed for mobile and the other for desktop. The thesis indicates that Mobilef-irst gives a better result for the mobile, which unlike the computer has poor performance, smaller screen and poor internet connection, therefore an advantage for the device that needs more focus to maintain a fast response. Desktop-first does not take this opportunity, but focus instead on the computer where the performance is better, which leads to a unnoticeable difference in response time.

Cross-sectional study of bovine anaplamosis in South-western Uganda : the impact of wildlife-livestock interface

The tick-borne disease bovine anaplasmosis is primarily caused by Anaplasma marginale. A variety of wild animals act as reservoirs for A. marginale, but the understanding of their role in the epidemiology of A. marginale is yet poor. This cross-sectional study was conducted to establish if proximity of wildlife affect the prevalence of bovine anaplasmosis in cattle.

Människohandel som en säkerhetsfråga

The purpose of this study is to examine which security approach dominates Sweden?s strategy for combating human trafficking. The two approaches covered in this essay are the state- centred perspective, and the individual-centred perspective. These approaches are being used because those two approaches are on each end of the security spectrum, and it is important to discover from what approach Sweden is working. This is important because it might help us to get a bigger understanding on why certain policies are being made.

Businessclass.se - En trollbindande marknadsföringshybrid? : En trollbindande marknadsföringshybrid?

The purpose of the study is to examine the difference in attracting advertisers to marketing hybrids versus general internet forums, this based on selected theories and advertisers' preference for our case study object, the marketing hybrid, businessclass.se..

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