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Death squad or quality improvement? : the impact of introducing post-grant review on U.S. patent quality

Martinelli, Arianna; Mazzei, Julia - 2022

Increasing evidence indicates that a large share of granted patents are ''undeserved'' because they do not meet the criteria of novelty or non-obviousness. In recent decades, many jurisdictions introduced patent reforms to avoid weak patent applications and improve legal patent quality. In...

Persistent link: https://www.econbiz.de/10013465134

The direction of technical change in AI and the trajectory effects of government funding

Iori, Martina; Martinelli, Arianna; Mina, Andrea - 2021

Government funding of innovation can have a significant impact not only on the rate of technical change, but also on its direction. In this paper, we examine the role that government grants and government departments played in the development of artificial intelligence (AI), an emergent general...

Persistent link: https://www.econbiz.de/10012695100

Non-performing loans, systemic risk and resilience in financial networks

Bottazzi, Giulio; Sanctis, Alessandro de; Vanni, Fabio - 2016

resilience of the financial system to external shocks, making it particularly useful from a policy point of view. For …

Persistent link: https://www.econbiz.de/10011436618

Technological coherence and the adaptive resilience of regional economies

Rocchetta, Silvia; Mina, Andrea - 2018

exogenous shocks. It presents an empirical examination of the determinants of resilience through panel analyses of UK NUTS III …This paper explores the effect of different regional technological profiles on the resilience of regional economies to … simply diversified - knowledge bases are better prepared to face an unforeseen downturn and display adaptive resilience …

Persistent link: https://www.econbiz.de/10011919527

The evolution of the world trade web

Fagiolo, Giorgio (contributor); Reyes, Javier (contributor); … - 2007

This paper employs a weighted network analysis to study the empirical properties of the world trade web and their evolution over time. We show that most countries are characterized by weak trade links; yet, there exists a group of countries featuring a large number of strong relationships, thus...

Persistent link: https://www.econbiz.de/10003744959

Boundedly rational opinion dynamics in social networks : does indegree matter?

Battiston, Pietro; Stanca, Luca M. - 2015

This paper investigates opinion dynamics and social influence in directed communication networks. We study the theoretical properties of a boundedly rational model of opinion formation in which individuals aggregate the information they receive from their neighbors by using weights that are a...

Persistent link: https://www.econbiz.de/10010510796

Global trade imbalances : a network approach

Dueñas, Marco; Fagiolo, Giorgio - 2013

We study trade imbalances between world countries in the period 1960-2000 using a complex-network approach. We show that trade imbalances in absolute value are characterized by a hierarchical arrangement wherein few rich economies display high clustering and carry an important amount of...

Persistent link: https://www.econbiz.de/10009745034

Null models of economic networks : the case of the world trade web

Fagiolo, Giorgio; Squartini, Tiziano; Garlaschelli, Diego - 2011

In all empirical-network studies, the observed properties of economic networks are informative only if compared with a well-defined null model that can quantitatively predict the behavior of such properties in constrained graphs. However, predictions of the available null-model methods can be...

Persistent link: https://www.econbiz.de/10009412987

Modeling the international-trade network : a gravity approach

Dueñas, Marco; Fagiolo, Giorgio - 2011

This paper investigates whether the gravity model (GM) can explain the statistical properties of the International Trade Network (ITN). We fit data on international-trade flows with a GM specification using alternative fitting techniques and we employ GM estimates to build a weighted predicted...

Persistent link: https://www.econbiz.de/10009412992

Citations are forever : modeling constrained network formation

Battiston, Pietro - 2014

Determining the extent to which citation flows, and hence bibliometric indicators based on them, reflect some intrinsic value of scientific works is an important task made very difficult by endogeneity issues. This paper presents an approach which allows to go beyond the abundant anecdotal...

Persistent link: https://www.econbiz.de/10010416700

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