Julia Greeley, Denver's Angel of Charity

Charity ratings

How do charitable donors respond to the third party ratings that signal the quality of charities? I investigate this question using a novel data set from Charity Navigator which provides quality ratings for 5400 charities. Since Charity Navigator prominently displays a charity’s star rating which is assigned based on its overall rating, one can identify the causal impact of a one star increase ...

Entrepreneur - Business Angel Relationships

This paper examines the logics and expectations of entrepreneurs and business angels prior to going into a relationship. Comparisons of the entrepreneurs and the business angels show difference regarding their confidence about their own mind-sets and expectations. The findings are discussed taking an institutional approach; an exogenous institutionalism is influencing the actor, as his logic an...

Angel, Devil, and King

The Angel wins

The angel-devil game is played on an infinite two-dimensional “chessboard” Z. The squares of the board are all white at the beginning. The players called angel and devil take turns in their steps. When it is the devil’s turn, he can turn a square black. The angel always stays on a white square, and when it is her turn she can fly at a distance of at most J steps (each of which can be horizontal...

ANGEL - Machine Learning Classification

The Automated Network Games Enhancement Layer (ANGEL) project aims to leverage machine learning techniques to automate the classification and isolation of interactive (e.g. games, voice over IP) and noninteractive (e.g. web) traffic. This information is then used to dynamically reconfigure the network to improve the Quality of Service provided to the current interactive traffic flows and subseq...