Patent data provide a rich set of information which can be used for comparative studies and trend analysis. The paper presents a systematic overview of the most appropriate tools methodologies that are available for determining the technological specialization of countries. Such analysis...

Migration and trade are often linked through ethnic networks boosting bilateral trade. This study uses migration to quantify the importance of Ricardian technology differences for international trade. The framework provides the first panel estimates connecting country-industry productivity and...

In this paper we empirically investigate the theoretical results obtained in Zaby (2009). From the theoretical model, which introduces the decision to patent into a setting with horizontally differentiated products we deduce several hypotheses and test these empirically. We find that the...

This paper empirically investigates a firm’s propensity to patent. It thereby builds on a theoretical model on a firms' patenting decision in a market with vertically differentiated products. We deduce and empirically test several hypotheses from the theoretical results regarding patenting and...

I construct a new proxy for Tobin's q that incorporates the replacement cost of patent capital. This proxy, PI (physical plus intangible) q, explains up to 62% more variation in investment than other proxies for q. Furthermore, investment is more sensitive to PI q than to other proxies for q....