destinations, firm-level changes in market coverage and their contribution to net export growth are investigated. Firm involvement … in individual export markets is found to be much more dynamic than export status. Entry and exit to markets is shown to … be a quantifiably important component of overall export ows, with this factor becoming more important for less popular …

This paper analyses the choices made by individual firms to enter the export market. It uses data on a sample of Irish … firms over seventeen years to test whether sunk costs influence the decision to export. A probit specification tests the … probability of exporting in the current period given past exporting experience, controlling for the firm’s initial export status …

and Kramarz (2004), we find that a large number of firms serve only the domestic market and many exporting firms export to … individual export markets is much more dynamic. Over thirty percent of firms change their market coverage, usually by entering or … incurred during the initial entry to the export market. Subsequent entry to additional markets is made easier by prior export …

robust result— few firms export, and exporting firms do not sell in all possible markets. This paper uses data on US exports … average export sales per firm (the intensive margin). We show how the effects of distance and a range of other proxies for … capturing language, internal geography, infrastructure and import cost barriers work solely through the extensive margin. We …