Accountingonderzoekers over Enron

Introducing the Enron Corpus

A large set of email messages, the Enron corpus, was made public during the legal investigation concerning the Enron corporation. This dataset, along with a thorough explanation of its origin, is available at http://www-2.cs.cmu.edu/~enron/. This paper provides a brief introduction and analysis of the dataset. The raw Enron corpus contains 619,446 messages belonging to 158 users. We cleaned the...

Ethical Erosion at Enron

Learning from ENRON.

By now, nearly everyone in the academic world will have heard of ENRON and other similar scandals that are shaking the financial sector. Some clever bookkeeping manoeuvres put a needed gloss on the company’s accounts that helped to boost their stocks to new heights. But when examined critically, a rather different financial situation emerged, which was followed by a sharp dive in ENRON’s share ...

Scan Statistics on Enron Graphs

We introduce a theory of scan statistics on graphs and apply the ideas to the problem of anomaly detection in a time series of Enron email graphs. Corresponding author: Carey E. Priebe =

The Enron Bankruptcy: When did the options market in Enron lose it’s smirk?

The Enron Corporation went from a $65 billion dollar market capitalization to bankruptcy in just 16 months. Using statistical techniques for extracting the implied probability distributions built into option prices, I examine the market’s expectation of Enron’s risk of collapse. I find that the options market remained far too optimistic about the stock until just weeks before their bankruptcy f...