







The authors find a swath of firms suffering valuation losses on tariff-announcement days and a link between those losses and the firms' future performance.
The bazooka diplomacy of Trump’s tariffs
President Trump’s recent pronouncements on tariffs have received considerable attention from analysts, policymakers, and commentators. This column takes a step back and considers some of the broader arguments for raising tariffs – revenue, restriction, and reciprocity – and the potential repercussions. Even if Trump does not proceed with (all of) the announced tariffs, the increased uncertainty is likely to put off firms from trading with or from the US, lowering US exports and imports beyond the imposition of higher tariffs. In the longer term, we can expect a gradual decoupling of trade between the US and other countries.

Trump’s tariffs: Disregarding lessons from history and scenarios and probable outcomes
History is full of evidence that tariffs harm economic performance. This column assesses the two waves of globalisation in modern history and how they were interrupted by barriers to trade. The first wave started in the mid-19th century and lasted until WWI, while the second wave started after WWII and lasted until the Global Crisis of 2008-09. The most likely scenario going forward will feature tariffs around 12-14% on average, a mild recession, and a small hit to US longer-run potential. However, achieving diplomatic normalcy may take years of good US behaviour, and it is unlikely during the Trump administration.

U.S. and Canada fall deeper into a trade war with new tariffs as talks collapse and blame is spread
President Donald Trump’s import taxes will hit about 5% of what Canada ships to the United States every year, including products ranging from hockey sticks to tongue depressors.

Canada's retaliatory tariffs worth $27.6 billion take effect as trade rift with U.S. deepens
Duties on U.S. steel and aluminum products have doubled to 50% as a war of words between Washington and Ottawa continues.

annotations: Des droits de douane sur toutes les importations américaines provoqueraient un chaos pour les entreprises
Traduction du billet de blog "Tariffs on all imports would create chaos for business" de Wendy Edelberg & Maurice Obstfeld (PIIE)
Thoughts on the Trump Tariffs - Conversable Economist
It will take some time for the effects of President Trump's "Liberation Day" announcement of higher US tariffs to become apparent. Here, I'll just offer some notes and quick reactions. 1) The announced tariffs represent a very large increase. Here's a figure showing historical US tariff rates. You will notice that the average rates have

Move fast and break kings
There is another policy response to tariffs, one that will substantially lower prices for Canadians, while incubating profitable, export-oriented Canadian tech firms, whose products can be sold by community-based small and medium enterprises, to the benefit of the Canadian news and culture industry, Canadian software firms, and Canadian consumers.

Canadian Prime Minister Mark Carney calls new U.S. tariffs ‘a miscalculation’ after trade talks collapse
The U.S. import taxes will apply to hockey sticks, building materials, liquors and certain kinds of clothing. Carney said “Canada will match those tariffs dollar for dollar.”

Opinion | One Senator’s Plea for Tariff Breaks
How protectionism works in practice: Public support, but seeking exemptions in private.
Une note sur les déficits commerciaux et l’industrie
Traduction française du billet de blog "A note on trade deficits and manufacturing. Some perspective on the eve of trade war" de Paul Krugman

Ce sont les consommateurs américains, non les étrangers, qui payent les droits de douane de Trump
traduction française du billet de blog "How goes the trade war? Consumers, not foreigners, are paying the Trump tariffs" de Paul Krugman

Why higher tariffs won’t shrink the trade deficit
In President Donald Trump’s executive order calling for reciprocal tariffs, he said that their main purpose is to reduce the US trade deficit. Economists have long argued that tariffs have no effect on trade balances.
« Tariffs are coming » : menace de taxes douanières et rapports de force sous Trump II
La seconde présidence de Trump vit à l’heure de Game of Thrones. Un vent froid d’hiver souffle, chargé de tarif douanier, de bluff et de chantage.

Analytique des déficits commerciaux et de l'emploi manufacturier
traduction française du billet de blog "Analytics of trade deficits and manufacturing employment" de Paul Krugman

Grâce à Trump, nous savons qui supporte les droits de douane
Traduction du billet de blog "Who pays tariffs? And how do we know?" de Paul Krugman
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Qui paie les droits de douane de l’administration Trump ?
Traduction française du billet de blog "Who pays for tariffs? Insights from recent research" de Kimberly Clausing & Maurice Obstfeld (PIIE)
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