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When Is It Optimal to Delegate: The Theory of Fast-Track Authority
With fast-track authority (FTA), the US Congress delegates trade-policy authority to the President by committing not to amend a trade agreement. Why would it cede such power? We suggest an interpretation in which Congress uses FTA to forestall destructive competition between its members for protectionist rents. In our model: (i) FTA is never granted if an industry operates in the majority of districts; (ii) The more symmetric the industrial pattern, the more likely is FTA, since competition for protectionist rents is most punishing when bargaining power is symmetrically distributed; (iii) Widely disparate initial tari§s prevent free trade even with FTA
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Fast-Track Authority: A Hold-Up Interpretation.
A central institution of US trade policy is Fast-Track Authority (FT), by whichCongress commits not to amend a trade agreement that is presented to it for ratifica-tion, but to subject the agreement to an up-or-down vote.We offer a new interpretation of FT based on a hold-up problem. If the US gov-ernment negotiates a trade agreement with the government of a smaller economy, asthe negotiations proceed, businesses in the partner economy, anticipating the openingof the US market to their goods, may make sunk investments to take advantage ofthe US market, such as quality upgrades to meet the expectations of the demandingUS consumer. As a result, when the time comes for ratification of the agreement, thepartner economy will be locked in to the US market in a way it was not previously.At this point, if Congress is able to amend the agreement, the partner country hasless bargaining power than it didex ante, and so Congress can make changes that areadverse to the partner. As a result, if the US wants to convince such a partner countryto negotiate a trade deal, it mustfirst commit not to amend the agreementex post.Inthis situation, FT is Pareto-improving
Child development and the aims of road safety education
Pedestrian accidents are one of the most prominent causes of premature injury, handicap and death in the modern world. In children, the problem is so severe that pedestrian accidents are widely regarded as the most serious of all health risks facing children in developed countries. Not surprisingly, educational measures have long been advocated as a means of teaching children how to cope with traffic and substantial resources have been devoted to their development and provision. Unfortunately, there seems to be a widespread view at the present time that education has not achieved as much as had been hoped and that there may even be quite strict limits to what can be achieved through education. This would, of course, shift the emphasis away from education altogether towards engineering or urban planning measures aimed at creating an intrinsically safer environment in which the need for education might be reduced or even eliminated. However, whilst engineering measures undoubtedly have a major role to play in the effort to reduce accidents, this outlook is both overly optimistic about the benefits of engineering and overly pessimistic about the limitations of education. At the same time, a fresh analysis is clearly required both of the aims and methods of contemporary road safety education. The present report is designed to provide such an analysis and to establish a framework within which further debate and research can take place
Using transcranial Direct Current Stimulation (tDCS) to modulate the face inversion effect on the N170 ERP component
This is the final version. Available from the Cognitive Science Society via the link in this recordIn the present study, we combined tDCS and EEG to examine the
electrophysiological responses to the tDCS-induced effects on
the face inversion effect showed in recent studies. A double-blind
procedure with a between-subjects design (n=48) was used with
the subjects, recruited from the student population, being
randomly assigned to either tDCS anodal or sham condition. The
tDCS stimulation was delivered over the DLPFC at Fp3 site for
10 min at an intensity of 1.5mA while subjects engaged in an
old/new recognition task traditionally used to obtain the
inversion effect. The behavioural results generally confirmed
previous findings. Critically, the results from the N170 show an
effect of tDCS. Specifically, the tDCS procedure was able to
modulate the N170 peak component by reducing the inversion
effect on the latencies (i.e. less delay between upright and
inverted faces) and by increasing the inversion effect on the
amplitudes (i.e. larger N170 for inverted vs upright faces). We
interpret the results based on the previous literature in regard to
the inversion effect on the N170 component.European Union Horizon 2020Economic and Social Research Council (ESRC
Using discrete Darboux polynomials to detect and determine preserved measures and integrals of rational maps
In this Letter we propose a systematic approach for detecting and calculating
preserved measures and integrals of a rational map. The approach is based on
the use of cofactors and Discrete Darboux Polynomials and relies on the use of
symbolic algebra tools. Given sufficient computing power, all rational
preserved integrals can be found.
We show, in two examples, how to use this method to detect and determine
preserved measures and integrals of the considered rational maps.Comment: 8 pages, 1 Figur
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