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- Economic behavior (1)
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This dissertation concerns the question of how economics can contribute to the analysis of trade-offs between values (or normative objectives). The analysis is illustrated for the case of policies that pursue the goal of sustainability. Methodologically, this is done by reflecting economic concepts in light of philosophical theories and using generic models to analyze trade-offs between particular values. In sum, the work shows how economics can help in analyzing the factual relationships between values by clarifying the set of feasible acts and outcomes. The first paper of this cumulative dissertation concerns the question what a general definition of efficiency with respect to normative objective implies about relationships between two values. In order to conceptualize relationships between values carefully, the analysis distinguishes instrumental from intrinsic values and discusses the question whether there is one intrinsic value (value monism) or many intrinsic values (value pluralism). Next, a small economic model is used to show that there can be different relationships between values such as win-win relationships and trade-offs in value-efficient states if there are three or more values. Further, the distinction between Pareto-efficiency (based on individual preferences) and value-efficiency (which can also include non-preference values) is used to study relationships between values. The second paper uses the definition of sustainability as inter- and intragenerational justice to discuss the relationship between these two objectives. The general aim of this paper is to discuss what economic concepts can contribute to the discussion of tradeoffs between justices. For this, a syntax of the concept of justice is employed, different relationships between justices are defined and economic concepts such as scarcity, efficiency and opportunity costs are transferred to the justice context. One result from this analysis is that there must be a trade-off between these two justices in such respective efficient outcomes. The third paper concerns an intertemporal mechanism leading to the well-known equity-efficiency trade-off in an intergenerational setting. For this, two central characteristics of intergenerational policy making are taken into account: irreversibility and ignorance (or unawareness). A pertinent example is the irreversible use of fossil fuels before and after the discovery of the effect of CO2 emissions on climate change. The trade-off between Pareto-efficiency and intergenerational equity that results from these two characteristics is shown in a model with two non-overlapping generations which use a non-renewable resource. In the model there is initial unawareness about an intergenerational externality from resource use that is only discovered after the irreversible use of the resource. A central result of the paper is the trade-off between intergenerational equity and efficiency that emerges if initially unknown sustainability problems arise after irreversible policies have been enacted. The fourth paper concerns the question what the concept of merit goods can contribute to discussions of sustainability. For this, the history of the concept is discussed, then merit goods are defined and connected to the philosophical literature on different conceptions of well-being. In the next step different challenges and opportunities of merit good arguments are discussed for the sustainability context. For example, it becomes clear that merit good arguments concern conceptions of well-being and do not directly concern the aspect of intergenerational distribution in sustainability problems.
Against the background of recent economic attempts to explain individual economic decisions by structural and institutional factors, this thesis examined to what extent cultural norms exhibit quantitatively important explanatory power for individual economic outcomes, namely individual’s savings and working choices. While an extensive literature deals with the relation between culture and aggregate economic outcomes, those results obtained may reveal distorted cultural effects due to unobserved omitted variables at the country level. Thus, for the purpose of this thesis, four empirical studies were conducted based on individual and household level data for the USA and Germany, respectively. Due to difficulties in defining a coherent concept of culture, Chapters 2 to 4 use individual religiosity, as measured by one’s religious affiliation and religious involvement, as a proxy for culture. Using individual survey data for the USA, namely the PSID, for the years 2003 to 2009, the aim of Chapter 2 was, firstly, to analyze the extent to which religious beliefs and religious commitment are associated with distinct individual savings behavior as a basis for culture-induced heterogeneity in aggregate economic outcomes. One’s religiosity was found in the cross-sectional analysis to be a robust determinant of individual savings choices, even once I control for differences in individual characteristics. To identify the causal effect of religion on individual savings choices, secondly, the results from the multivariate analysis were verified by using the longitudinal structure of the PSID and by an instrumental variable approach, where own individual religious belief were instrumented with the share of one’s religious tradition in the region of ancestry. Neither of these approaches was able to replicate the positive relation between religious affiliation and savings behavior found in the cross-sectional analysis Although the estimates are subject to inefficiencies due to data limitations, this paper mainly sheds light on the endogeneity bias inherent in the relation between cultural factors and economic outcomes. However, taking actively part in religious activities was found to affect the amount saved positively. Thus, one may argue that religious traditions impose religious rules and establish social networks that enhance an individual’s ability and willingness to save money. As opposed to the vital religious market in the USA, Chapters 3 and 4 analyzed the relationship between individual religiosity and risk-taking preferences as well as individual financial behavior within Germany. Using German micro-data, namely the GSOEP, for the years 2003 and 2004, while controlling for the overall level of general risk assessment, evidence is provided that different religious affiliations are associated with distinct financial risk taking attitudes as well as with distinct individual propensities to trust strangers, another central determinant of a household’s financial choices. Further, the extent to which religion-induced heterogeneity in risk-taking preferences actually influences investment and trusting decisions of households in Germany was examined. As compared to the results obtained for the relation between religiosity and savings behavior in the USA, the main differences in economic attitudes and behavior in Germany occur between Christian and Non-Christian religions. However, religious networks were found in both countries to be more important for economic outcomes than religious belief. Chapter 5 purposed to replicate epidemiological studies conducted for North America (Fernández, 2007; Fernández and Fogli, 2009; Gevrek et al., 2011) in Germany using a quite smaller sample which were drawn from data provided by the GSOEP for the years 2001 to 2011. Applying probit and Tobit estimation techniques the results contradict the findings obtained by these previous contributions. While cultural norms towards labor market behavior of women, as measured by past female LFP rates in the country of own or parental origin, were found to be negatively associated with labor market outcomes for first-generation immigrant women in Germany, no statistically significant relation was revealed for the second generation. However, in accordance with the findings from Chapters 2 to 4, religiosity, and especially the Islamic belief, was showed to be negatively related to labor market outcomes of both generations.