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Product Cost-Share: a Catalyst of the Trade Collapse

Mattia Di Ubaldo ()

Working Paper Series from Department of Economics, University of Sussex Business School

Abstract: I study the responsiveness of Slovenian trade during the collapse of 2008-2009 and shed light on channels that enhanced the sensitivity of international trade to the demand shock.The responsiveness of intermediate goods. Trade is found to be associated with the cost-share of inputs; i.e., imports of inputs accounting for a larger cost-share faced a more than proportionate drop in the downturn coupled with a more than proportionate rebound in the recovery. I hypothesise that this is the outcome of larger post-shock inventory adjustments, which higher cost-share intermediates are subject to. This rationale is supported theoretically by a simple (S,s) model of inventory management and, empirically, by reduced form estimations of the main model predictions. Moreover, products’ cost-share is found to be associated with an enhanced reaction of the frequency of shipments at the product level, a proxy for inventory adjustments. Conditioning the results on the type of firm ownership, i.e. intra-firm or arm’s length trade,does not reveal a differential response between the two organisational modes, except for imports of higher cost-share products for which intra-firm trade acted as further catalyst of the collapse.

Keywords: Trade collapse; Product cost-share; Imports; Firm behaviour; Inventory adjustment. (search for similar items in EconPapers)
JEL-codes: D22 D23 F14 (search for similar items in EconPapers)
Date: 2015-11
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