Ryuji Takaki, a physicist, was President of Katachi no kagaku kai (Society for Science on Form) and Editor-in-chief of the journal Forma (http://www.scipress.org/journals/forma/index.html ).
From cutting taxes to raising tariffs to eroding central-bank independence, US President-elect Donald Trump has made a wide range of economic promises, many of which threaten to blow up the deficit and fuel inflation. But powerful institutional, political, and economic constraints, together with Trump’s capriciousness, have spurred disagreement about how worried we should be.