A dissertação compreendeu dois estudos sobre jovens dos 16 aos 25 anos em situação de reclusão em Maputo, Moçambique. O Estudo 1 foi documental e descreveu as características biossociodemográficas dos jovens. O Estudo 2 integrou seis participantes e investigou as motivações do comportamento infractor e as perspectivas após o cumprimento da pena. No Estudo 1 foram analisadas informações de 172 “Certidões de Sentença e Liquidação da Pena” arquivadas entre 2009 a 2011 em três penitenciárias. Usou-se o delineamento quantitativo, com base em estatísticas descritivas e testes estatísticos. Constatou-se que maior parte dos jovens era do sexo masculino. Os jovens praticaram em grande escala crimes contra a propriedade, com destaque para os homens. A prevalência de mulheres verificou-se nos crimes contra a integridade física e a saúde das pessoas. Registou-se um aumento do número de jovens condenados à medida que se progredia nas faixas etárias. Parte significativa dos jovens cumpriu penas correccionais, era condenada pela primeira vez, não tinha ocupação ou trabalhava no sector informal, e provinha dos bairros suburbanos da cidade de Maputo. O Estudo 2 foi qualitativo e analisou o conteúdo das entrevistas de seis jovens reclusos. Destes, quatro eram do sexo masculino e duas do sexo feminino. Os resultados indicaram que o cometimento dos crimes esteve relacionado à satisfação de necessidades básicas de sobrevivência no contexto das limitações socioeconómicas e afectivas vividas no momento. Os jovens mostraram interesse em reintegrarem-se à sociedade e desenvolverem projectos pessoais. Estes resultados sugerem a necessidade de implementação de programas estruturados de acompanhamento psicossocial no período posterior ao cumprimento da pena. / The dissertation consisted of two studies on youth 16 to 25 years in reclusion situation in Maputo, Mozambique.The Study 1 was documentary and described the biosociodemographic characteristics of these youth. In the Study 2 participated six youth and it was investigated the reasons for their delinquent behavior and their prospects after serving the sentence. In the Study 1 were analyzed information from 172 "Certificates of Award and Liquidation of Penalty" filed between 2009 to 2011 in three prisons. It was utilized the quantitative design, based on descriptive statistics and statistical tests. It was found that most youth were male. The crimes against property were committed in large scale, especially by male. The prevalence of women was found in crimes against physical integrity and health of people. It was observed that the number of youth offenders increased as they progressed in the age. Furthermore, significant proportion of youth fulfilled correctional sentences, were convicted for the first time, had no occupation or worked in the informal sector, and came from the suburban neighborhoods of Maputo. The Study 2 was qualitative and analyzed the content of the interviews of six incarcerated youth. Of these, four were male and two female. The results indicated that the committing of the crimes was related to meeting basic survival needs in the context of socioeconomic and emotional limitations experienced in the moment . The youths showed an interest in reintegrate into society and to develop personal projects. These results suggest the need for implementation of structured psychosocial programs for those people after release from prison.

A dissertação compreendeu dois estudos sobre jovens dos 16 aos 25 anos em situação de reclusão em Maputo, Moçambique. O Estudo 1 foi documental e descreveu as características biossociodemográficas dos jovens. O Estudo 2 integrou seis participantes e investigou as motivações do comportamento infractor e as perspectivas após o cumprimento da pena. No Estudo 1 foram analisadas informações de 172 “Certidões de Sentença e Liquidação da Pena” arquivadas entre 2009 a 2011 em três penitenciárias. Usou-se o delineamento quantitativo, com base em estatísticas descritivas e testes estatísticos. Constatou-se que maior parte dos jovens era do sexo masculino. Os jovens praticaram em grande escala crimes contra a propriedade, com destaque para os homens. A prevalência de mulheres verificou-se nos crimes contra a integridade física e a saúde das pessoas. Registou-se um aumento do número de jovens condenados à medida que se progredia nas faixas etárias. Parte significativa dos jovens cumpriu penas correccionais, era condenada pela primeira vez, não tinha ocupação ou trabalhava no sector informal, e provinha dos bairros suburbanos da cidade de Maputo. O Estudo 2 foi qualitativo e analisou o conteúdo das entrevistas de seis jovens reclusos. Destes, quatro eram do sexo masculino e duas do sexo feminino. Os resultados indicaram que o cometimento dos crimes esteve relacionado à satisfação de necessidades básicas de sobrevivência no contexto das limitações socioeconómicas e afectivas vividas no momento. Os jovens mostraram interesse em reintegrarem-se à sociedade e desenvolverem projectos pessoais. Estes resultados sugerem a necessidade de implementação de programas estruturados de acompanhamento psicossocial no período posterior ao cumprimento da pena. / The dissertation consisted of two studies on youth 16 to 25 years in reclusion situation in Maputo, Mozambique.The Study 1 was documentary and described the biosociodemographic characteristics of these youth. In the Study 2 participated six youth and it was investigated the reasons for their delinquent behavior and their prospects after serving the sentence. In the Study 1 were analyzed information from 172 "Certificates of Award and Liquidation of Penalty" filed between 2009 to 2011 in three prisons. It was utilized the quantitative design, based on descriptive statistics and statistical tests. It was found that most youth were male. The crimes against property were committed in large scale, especially by male. The prevalence of women was found in crimes against physical integrity and health of people. It was observed that the number of youth offenders increased as they progressed in the age. Furthermore, significant proportion of youth fulfilled correctional sentences, were convicted for the first time, had no occupation or worked in the informal sector, and came from the suburban neighborhoods of Maputo. The Study 2 was qualitative and analyzed the content of the interviews of six incarcerated youth. Of these, four were male and two female. The results indicated that the committing of the crimes was related to meeting basic survival needs in the context of socioeconomic and emotional limitations experienced in the moment . The youths showed an interest in reintegrate into society and to develop personal projects. These results suggest the need for implementation of structured psychosocial programs for those people after release from prison.

A dissertação compreendeu dois estudos sobre jovens dos 16 aos 25 anos em situação de reclusão em Maputo, Moçambique. O Estudo 1 foi documental e descreveu as características biossociodemográficas dos jovens. O Estudo 2 integrou seis participantes e investigou as motivações do comportamento infractor e as perspectivas após o cumprimento da pena. No Estudo 1 foram analisadas informações de 172 “Certidões de Sentença e Liquidação da Pena” arquivadas entre 2009 a 2011 em três penitenciárias. Usou-se o delineamento quantitativo, com base em estatísticas descritivas e testes estatísticos. Constatou-se que maior parte dos jovens era do sexo masculino. Os jovens praticaram em grande escala crimes contra a propriedade, com destaque para os homens. A prevalência de mulheres verificou-se nos crimes contra a integridade física e a saúde das pessoas. Registou-se um aumento do número de jovens condenados à medida que se progredia nas faixas etárias. Parte significativa dos jovens cumpriu penas correccionais, era condenada pela primeira vez, não tinha ocupação ou trabalhava no sector informal, e provinha dos bairros suburbanos da cidade de Maputo. O Estudo 2 foi qualitativo e analisou o conteúdo das entrevistas de seis jovens reclusos. Destes, quatro eram do sexo masculino e duas do sexo feminino. Os resultados indicaram que o cometimento dos crimes esteve relacionado à satisfação de necessidades básicas de sobrevivência no contexto das limitações socioeconómicas e afectivas vividas no momento. Os jovens mostraram interesse em reintegrarem-se à sociedade e desenvolverem projectos pessoais. Estes resultados sugerem a necessidade de implementação de programas estruturados de acompanhamento psicossocial no período posterior ao cumprimento da pena. / The dissertation consisted of two studies on youth 16 to 25 years in reclusion situation in Maputo, Mozambique.The Study 1 was documentary and described the biosociodemographic characteristics of these youth. In the Study 2 participated six youth and it was investigated the reasons for their delinquent behavior and their prospects after serving the sentence. In the Study 1 were analyzed information from 172 "Certificates of Award and Liquidation of Penalty" filed between 2009 to 2011 in three prisons. It was utilized the quantitative design, based on descriptive statistics and statistical tests. It was found that most youth were male. The crimes against property were committed in large scale, especially by male. The prevalence of women was found in crimes against physical integrity and health of people. It was observed that the number of youth offenders increased as they progressed in the age. Furthermore, significant proportion of youth fulfilled correctional sentences, were convicted for the first time, had no occupation or worked in the informal sector, and came from the suburban neighborhoods of Maputo. The Study 2 was qualitative and analyzed the content of the interviews of six incarcerated youth. Of these, four were male and two female. The results indicated that the committing of the crimes was related to meeting basic survival needs in the context of socioeconomic and emotional limitations experienced in the moment . The youths showed an interest in reintegrate into society and to develop personal projects. These results suggest the need for implementation of structured psychosocial programs for those people after release from prison.

Summary Speaking about peculiarities of Cechovas creation in scientific literature, the two main features should be pointed out, i.e, laconic depiction and writer’s ability to present three periods of a character life in a short story. In most of his works the action is short, but it reveals a long period of the hero’s life. Taking this feature into consideration we have the aim to analyze five stories and to prove that short stories may contain the past, present and future prospects are presented. At the same time the content highlights plenty of hero’s life moments, which are of great importance. The attention was paid on the open endings. Cechovas manages to end his stories in a particular way, that for the reader the future of all the heroes in the story is clear.

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / Given the emerging contemporary manifestations occurred around the world in recent years, there is youth participation in social marches. In Brazil the repercussions began in 2013 with the massive adherence of the Brazilian people, even though urban manifestations the rural protesters, specifically his youth, also joined the claims. This work has the public interest youth leaders from rural movements of Rio Grande do Sul, through them the objective is to understand their life stories, their relationships and their ideals, so, analyze their influence on the organization and participation of youth in rural mobilizations, in addition to observing the personal reasons encourage this leadership to remain the front of rural movements. The research has a qualitative approach, and the methodological processes constituted by literature search, application of semi-structured interviews to five rural youth leaders of different movements (Movimento dos Pequenos Agricultores (MPA), Federação dos Trabalhadores na Agricultura do Rio Grande do Sul (FETAG), Movimento Sem Terra MST, Pastoral da Juventude Rural (PJR) e Federação dos Trabalhadores na Agricultura Familiar da Região Sul (FETRAF SUL)) and finally, systematic observation in the demonstrations. So, can observe how the life experiences are linked to their current decisions on youth leadership and even having a strong tendency to reproduce the ideals of the older, is experiencing a break with these ideologies. / Diante das emergentes manifestações contemporâneas ocorrentes por todo o mundo nos últimos anos, destaca-se a participação juvenil nas marchas sociais. No Brasil, as repercussões iniciaram em 2013 tendo uma massiva aderência do povo brasileiro, mesmo sendo manifestações urbanas a militância rural, mais especificamente sua juventude, também aderiu às reivindicações. O presente trabalho tem como público-alvo as lideranças juvenis dos movimentos rurais do Rio Grande do Sul, através deles objetiva-se compreender suas trajetórias de vida, suas relações e seus ideais, para assim, analisar a sua influência na organização e participação da juventude rural nas mobilizações, além de observar os motivos pessoais que estimulam essa liderança a permanecer na linha de frente dos movimentos rurais. A pesquisa possui cunho qualitativo, e os processos metodológicos se constituíram através da pesquisa bibliográfica, aplicação de entrevistas semiestruturadas a cinco líderes juvenis rurais de diferentes movimentos (Movimento dos Pequenos Agricultores (MPA), Federação dos Trabalhadores na Agricultura do Rio Grande do Sul (FETAG), Movimento Sem Terra MST, Pastoral da Juventude Rural (PJR) e Federação dos Trabalhadores na Agricultura Familiar da Região Sul (FETRAF SUL)) e, por fim, a observação sistemática nas mobilizações. Com isso, pode-se observar o quanto as experiências de vida estão atreladas às suas atuais decisões na liderança juvenil e que mesmo possuindo uma forte tendência a reproduzir os ideais dos mais velhos, está ocorrendo uma ruptura com essas ideologias.

Detta arbete har tagit upp ämnen som rörelsemönster, resvanor samt olika reserutiner och hur de har, eller inte har, förändrats under pandemin och det har även diskuterats huruvida detta potentiellt har inneburit några lättnader i miljöpåverkan från denna sektor. Genom insamlad data som delgivits av kommunen och lokaltrafiken, samt en genomförd enkät, har det visat sig att det har skett omfattande förändringar i rörelsemönstren. Det handlar bland annat om att fordonstrafiken och användningen av kollektivtrafiken minskade kraftigt och andelen cyklister ökade, samt att den genomsnittliga körsträckan per vecka per person nästintill halverades och likaså sågs en påtaglig skillnad i antalet flygresor genomförda under pandemin. Slutligen diskuteras framtiden efter Covid-19 när restriktioner och liknande tagits bort, och även om det är svårt, om inte omöjligt, att sia och diskutera framtiden baserat på data har pandemin troligen haft en mer bestående påverkan hos flera personer än hos andra, där det snarare istället finns en hunger och nästan ingen rädsla alls förknippad med att gå tillbaka till ”gamla vanor”. Vidare studier behövs för att kunna dra några slutsatser om långtidseffekter. / This project addresses subjects such as movement- and travel patterns, routines in travel and traveling behavior, with the aim of investigating and determining whether or not there has been a change in these during the pandemic due to restrictions and also if this may or may not have meant any reliefs in environmental impact. Through collected data given in a collaboration by the local municipality offices and local public transport company, and also by performing a survey, it has been shown that there have been comprehensive changes in peoples movement- and travel patterns and ways of traveling. It includes among other things that the vehicle traffic amount has reduced, and the use of public transport has been considerably reduced followed by an increase in traveling by bike. In total the average travel distance by car per person and week reduced by almost 50 percent and also air travel saw a heavily decrease in use during the pandemic. Lastly the future after the Covid-19-pandemic when restrictions and such are going to be removed where discussed and also issued in the survey. Even if it is hard, almost impossible, to prophesy or predict the future based of collected data it has been shown through the respondent’s answers and motivations in the matter that the pandemic most likely has affected people with a more lasting impact that will partly carry on for some time after the pandemics end. That does not imply on all people, some are very eager and express a hunger to go back to “old routines” and travel more. Further research has to be done to conclude any longtime affects.

Cette thèse comprend trois essais en économie de l’environnement et des ressources naturelles sous incertitude. Le premier essai propose un modèle de jeu différentiel qui analyse la pollution globale à travers la quête à l’hégémonie politique entre pays. Le second essai utilise des données boursières pour estimer une version stochastique de la règle de Hotelling et ainsi inférer sur le rôle des ressources naturelles non renouvelables dans la diversification du risque. Le troisième essai montre comment la prise en compte des perspectives futures modifie la règle de Hotelling dans un contexte de diversification du risque. / My thesis is composed of three essays on environmental and natural resource economics under uncertainty. The first essay proposes a differential game analysis of the quest for hegemony among countries as a generator of global pollution. The second essay uses stock market data on market capitalization to estimate a stochastic version of the Hotelling rule of exhaustible resource exploitation and uses it to infer on the riskiness of investment in nonrenewable resources and its effect on the resource price paths. The third essay shows how uncertainty about future prospects modifies the Hotelling rule in a context of risk diversification.

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