Williams Julian

Julian Williams

Information about the author Julian Williams will soon be added to the site.
Found 3 papers in total
Agency Problems and Airport Security: Quantitative and Qualitative Evidence on the Impact of Security Training
Agency Problems and Airport Security: Quantitative and Qualitative Evidence on the Impact of Security Training
2017
We analyze the issue of agency costs in aviation security by combining results from a...
Contagion in cyber security attacks
Contagion in cyber security attacks
2017
Systems security is essential for the efficient operation of all organizations....
How Predictable Are Equity Covariance Matrices? Evidence from High-Frequency Data for Four Markets
How Predictable Are Equity Covariance Matrices? Evidence from High-Frequency Data for Four Markets
2014
Most pricing and hedging models rely on the long‐run temporal stability of a...
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