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Browsing CARME - Relatórios by Author "Botelho, Anabela"
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- An experimental analysis of grandfathering vs dynamic auctioning in the EU ETSPublication . Botelho, Anabela; Fernandes, Maria Eduarda; Pinto, LígiaThis study constitutes a first attempt to experimentally test the performance of a 100% auction versus a 100% free allocation of CO2 permits under the rules and parameters that mimic the EU ETS (imperfect competition, uncertainty in emissions’ control, and allowing banking). It also incorporates a first attempt to include in the analysis measures of the risk preferences of subjects participating in emission permits experiments. Another distinctive feature of this study is the implementation of a theoretically appropriate auction format for the primary allocation of emission permits. Our experimental results indicate that the EU ETS has the potential to reduce CO2 emissions, achieving targets considerably more restrictive than the current ones at high efficiency levels, both with auctioned and free emission permits. Auctioning, however, reveals a clear potential to do better than grandfathering the initial allocation of permits. In addition, the results reveal that concerns about undue scarcity, and corresponding high prices, in secondary markets generated by a primary auction market are not warranted under the proposed dynamic auction format.
- More on the dynamic Vickrey mechanism for multi-unit auctions : an experimental study on the emission permits initial auctionPublication . Botelho, Anabela; Pinto, Lígia; Fernandes, Maria EduardaThe purpose of this paper is to contribute to the multiple-units auction literature, by testing the performance of the dynamic Vickrey auction (the Ausubel model), in an experimental setting, representing the functioning of an emission permits market with an Ausubel auction for the initial allocation of permits. Other features of the experiment include the possibility of banking and the inclusion of uncertainty, and the parameters were set so as to replicate an environment similar to the EU-ETS market (...)