This paper shows that internationalized production, modelled as trade in inter- mediate goods, challenges the standard result according to which exchange rate volatility insulates small open economies from external shocks. Movements of relative prices aect the economy through an additional channel, denoted as the cost channel. We show that this channel also acts as an automatic stabilizer and that macroeconomic volatility is dramatically reduced when trade in intermedi- ate goods is taken into account. Finally, trade in intermediate goods aects the exchange rate pass-through to consumption prices and may contribute explain- ing the puzzle described by McCallum & Nelson (2000).
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