How do information frictions distort international trade? This paper exploits a unique historical experiment to estimate the magnitude of these distortions: the establishment of the transatlantic telegraph connection in 1866. I use a newly collected data set based on historical newspaper records...

We study how the technological importance of inputs – measured by cost shares – is related to the decision to “make” or “buy” that input. Using detailed French international trade data and an instrumental variable approach based on self-constructed input-output tables, we show that...

We study how the technological importance of inputs - measured by cost shares - is related to the decision to "make" or "buy" that input. Using detailed French international trade data and an instrumental variable approach based on self-constructed input-output tables, we show that...