and countries. Firms' export decisions depend on a combination of firm “productivity” and firm-product-country “consumer … tastes,' both of which are stochastic and unknown prior to the payment of a sunk cost of entry. Higher-productivity firms … export a wider range of products to a larger set of countries than lower-productivity firms. Trade liberalization induces …

firms always have a higher market share, there is no monotonic relationship between firms' productivity level and their … effect". Therefore, the incentive to add more products weakens as productivity rises. This leads to Lemma 3 in Feenstra and … evidence is in line with the results from the theoretical model. -- multi-product firms ; productivity ; optimal product scope …

This research sheds light on the role of product scope on the innovation activity of multinational multi-product firms …. We use patent citation data to break down innovation into two types by measuring the degree to which innovation performed … focus on two features in multinational production: (i) fundamental innovation is geographically more difficult to transfer …

This research sheds light on the role of product scope on the innovation activity of multinational multi-product firms …. We use patent citation data to break down innovation into two types by measuring the degree to which innovation performed … focus on two features in multinational production: (i) fundamental innovation is geographically more difficult to transfer …

A fundamental result in the theory of commodity taxation is that taxes increase consumer prices and reduce supply …