Franz Wirl

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If a regulator is unable to measure firms' individual emissions, an ambient tax can be used to achieve the socially desired level of pollution. With this tax, each firm pays a unit tax on aggregate emissions. In order for the tax to be effective, firms must recognize that their decisions affect aggregate emissions. When firms behave strategically with(More)
This paper investigates the dynamics of corruption at the top (i.e., by politicians). For this purpose a dynamic, politico-economic framework is developed and analyzed. A particular feature of this investigation is an analytical characterization of the dynamic properties of the system. This allows one to interpret these properties in terms of economic and(More)
Social norms and intrinsic motivations lead to environmentally friendly behaviour even in the absence of environmental policy. This paper looks at the interactions of social norms and environmental regulation in their impact on individual behaviour. People obtain social rewards for voluntary abatement efforts. These social rewards may be crowded out by(More)
The paper studies a credit market model with endogenous credit cost and debt constraints in which multiple candidates for steady state equilibria arise. We use dynamic programming (DP) with flexible grid size to locate thresholds that separate different domains of attraction. More specifically, we employ DP to (1) compute present value borrowing constraints(More)
This paper considers a capital accumulation model with the specific feature that adjustment costs depend on investment relative to the size of the capital stock. This framework has, beyond its plausible yet neglected setting, a number of interesting consequences. In particular, the possibility of multiple equilibria, of an unstable steady state and thus of(More)
China is a rising global power with a growing role and impact on the world's energy markets as well as on the Earth's climate system. China pursues its development in an essentially non-confrontational manner, a vision encapsulated by the notion of peaceful rise which is viewed positively in the world's major capitals. Nevertheless, China's rapid growth(More)