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Title:Environmental taxation and structural change in an open economy: a CGE analysis with imperfect competition and free entry PDF Logo
Authors:Böhringer, Christoph
Welsch, Heinz
Löschel, Andreas
Issue Date:2001
Series/Report no.:ZEW Discussion Papers 01-07
Abstract:The economic effects of environmental taxes depend on the market structure. Under imperfect competition with free entry and exit, environmental taxes have an impact on economies of scale by changing the number and size of firms. Whether economies of scale rise or fall in a particular industry depends on induced changes in the price elasticity of demand. Because export demand is more price elastic than domestic demand, the overall price elasticity rises (falls) as the industry gains (loses) in comparative advantage. We use a computable general equilibrium model for Germany to examine the effects of a unilaterally introduced carbon tax under both perfect and imperfect competition. Our key finding is that induced structural change in favor of the less energy intensive, more labor intensive industries is more pronounced under imperfect competition than under perfect competition. At the macroeconomic level, the total costs of environmental regulation under imperfect competition can be higher or lower than those under perfect competition depending on whether aggregate gains or losses in economies of scale across imperfectly competitive sectors prevail.
Subjects:environmental taxation
imperfect competition
structural change
JEL:D58
D43
Q25
L13
Document Type:Working Paper
Appears in Collections:ZEW Discussion Papers
Publikationen von Forscherinnen und Forschern des ZEW

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