TASK DEFINITION: In this task, you are given a sentence in English and your task is to translate it into Spanish. In translation, keep the numbers and capitalization (capitalize only the first word of each sentence and name).
PROBLEM: Modern economic science has provided an exceptional instrument with the Tobin proposal and others, which we will be able to use if we have the political will to make a start.

SOLUTION: La ciencia económica moderna nos ha dado un instrumento excepcional con la propuesta Tobin y con otras propuestas que podremos utilizar si tenemos la voluntad política de comenzar.

PROBLEM: The two identical-sounding questions which are under discussion are, of course, underpinned by a mantra of the kind which, in recent years, has increasingly transformed politics into a type of ideology - fine-sounding, but pernicious.

SOLUTION: Las dos preguntas de igual tenor a debate están influidas por un mantra que estos años troca cada vez más la política en una especie de ideología -eufónica, pero perversa.

PROBLEM: What we need to avoid doing in the future is compromising competition conditions and disturbing the balance in the markets.

SOLUTION:
Es preciso evitar también en el futuro la perturbación de las condiciones de competencia y las distorsiones graves del equilibrio de los mercados.