Showing 1 - 10 of 323
Model specification and selection are recurring themes in econometric analysis. Both topics become considerably more complicated in the case of large-dimensional data sets where the set of specification possibilities can become quite large. In the context of linear regression models, penalised...
Persistent link: https://www.econbiz.de/10011444508
innovation, we characterize such "radical teams" as those formed by eclectic and non-usual collaborators, and those that are …
Persistent link: https://www.econbiz.de/10011451136
This paper uses a gravity framework to investigate the effects of distance as well as subnational and national borders in knowledge spillovers. Drawing on the NBER Patent Citations Database, we examine patent citations data at metropolitan level within the U.S. and the 38 largest patent-cited...
Persistent link: https://www.econbiz.de/10003833339
A large literature following Hirsch (2005) has proposed citation-based indexes that could be used to rank academics. This paper examines how well several such indexes match labor market outcomes using data on the citation records of young tenured economists at 25 U.S. departments. Variants of...
Persistent link: https://www.econbiz.de/10008697049
This paper examines the small world hypothesis. The first part of the paper presents empirical evidence on the evolution of a particular world: the world of journal publishing economists during the period 1970-2000. We find that in the 1970's the world of economics was a collection of islands,...
Persistent link: https://www.econbiz.de/10011451051
We present the first attempt to construct a long-run historical measure of subjective wellbeing using language corpora from millions of digitized books for the USA, UK, Germany, France, Italy and Spain. While existing measures go back at most to the 1970s, our measure goes back at least 200...
Persistent link: https://www.econbiz.de/10011476047
This paper evaluates how different lengths of entry regulation impact market structure and market performance using a dynamic structural model. We formulate an oligopoly model in the tradition of Ericson and Pakes (1995) and allow entry costs to vary over time. Firms have the opportunity to...
Persistent link: https://www.econbiz.de/10009764443
Using Dutch data we empirically investigate how financing and innovation vary across firm characteristics. We find that … when firms face financial constraints, debt financing and innovation choices are not independent of firm characteristics …
Persistent link: https://www.econbiz.de/10010249680
, we empirically analyze the determinants of innovation in electricity generation, and the role of storage in directing … innovation. Our results show that electricity storage increases innovation not only in renewables but also in conventional … technologies. This implies that efforts to increase innovation in storage can benefit conventional, fossil fuel-fired electricity …
Persistent link: https://www.econbiz.de/10011497793
This article tests the effects of fuel economy and greenhouse gas emission standards on the direction of innovation, in … for the years 2000-2016. Our results indicate that standards are a very robust driver inducing clean innovation, whereas … negatively impact dirty innovation. …
Persistent link: https://www.econbiz.de/10012669013