Showing 221 - 230 of 313
Statistical analysis is a major aspect of baseball, from player averages to historical benchmarks and records. Much of baseball fanfare is based around players exceeding the norm, some in a single game and others over a long career. Career statistics serve as a metric for classifying players and...
Persistent link: https://www.econbiz.de/10014179853
Recent “science of science” research shows common regularities in the publication patterns of scientific papers across time and discipline. Here, we analyze the complete publication careers of 300 scientists and find remarkable regularity in the functional form of the rank-citation profile...
Persistent link: https://www.econbiz.de/10014179856
The Matthew effect refers to the adage written some two-thousand years ago in the Gospel of St. Matthew: “For to all those who have, more will be given.” Even two millennia later, this idiom is used by sociologists to qualitatively describe the dynamics of individual progress and the...
Persistent link: https://www.econbiz.de/10014179857
We introduce a model of proportional growth to explain the distribution Pg(g) of business-firm growth rates. The model predicts that Pg(g) is exponential in the central part and depicts an asymptotic power-law behavior in the tails with an exponent z=3. Because of data limitations, previous...
Persistent link: https://www.econbiz.de/10014048094
Complex systems can be characterized by classes of equivalency of their elements defined according to system specific rules. We propose a generalized preferential attachment model to describe the class size distribution. The model postulates preferential growth of the existing classes and the...
Persistent link: https://www.econbiz.de/10014222559
Reputation is an important social construct in science, which enables informed quality assessments of both publications and careers of scientists in the absence of complete systemic information. However, the relation between reputation and career growth of an individual remains poorly...
Persistent link: https://www.econbiz.de/10014140474
Technology is becoming deeply interwoven into the fabric of society. The Internet has become a central source of information for many people when making day-to-day decisions. Here, we present a method to mine the vast data Internet users create when searching for information online, to identify...
Persistent link: https://www.econbiz.de/10013032925
Communities are common in complex networks and play a significant role in the functioning of social, biological, economic, and technological systems. Despite much interest in detecting community structures in complex networks and exploring the effect of communities on collective dynamics, a deep...
Persistent link: https://www.econbiz.de/10012981369
Properly estimating correlations and understanding how they change under different economic conditions plays a key role in asset pricing models, risk management, and many econometric models. In this paper we introduce a robust framework to identify a meaningful correlation relationship, address...
Persistent link: https://www.econbiz.de/10012904056
Either in the form of nature’s wrath or a pandemic, catastrophes cause major destructions in societies, thus requiring policy and decision makers to take urgent action by evaluating a host of interdependent parameters, and possible scenarios. The primary purpose of this pa-per is to propose a...
Persistent link: https://www.econbiz.de/10013224647