Steven A. Tananbaum Senior Fellow for International Economics Robert Kahn writes that financial markets rallied following the U.S. election, on hopes that President-Elect Donald J. Trump’s fiscal stimulus and deregulation initiatives would spur corporate profits and growth. Perhaps so, but a strong case could be made for the opposite: that Trump’s economic agenda will prove disruptive to trade and growth, face growing headwinds in Congress, and exert a contractionary impact on the U.S. economy.

Bottom Line: Abenomics had an impressive start, but the structural reform agenda has bogged down, raising questions about whether macro policies alone can float the Japanese economy. Against the back…