activity
20032013
most citedWMAP data and the curvature of space

97 citations · 230 across the 9 of their papers we have counts for

collaborators

9 papers

q-fin.GN2013

Cash Flow Entropy

Ulrich Kirchner, Simon Moolman

In this paper we aim to find a measure for the diversity of cash flows between agents in an economy. We argue that cash flows can be linked to probabilities of finding a currency u…

q-fin.PM2011★ 11 cited

Measuring Portfolio Diversification

Ulrich Kirchner, Caroline Zunckel

In the market place, diversification reduces risk and provides protection against extreme events by ensuring that one is not overly exposed to individual occurrences. We argue that…

q-fin.PM2010

Managing Derivative Exposure

Ulrich Kirchner

We present an approach to derivative exposure management based on subjective and implied probabilities. We suggest to maximize the valuation difference subject to risk constraints…

q-fin.PR2010

A Subjective and Probabilistic Approach to Derivatives

Ulrich Kirchner

We propose a probabilistic framework for pricing derivatives, which acknowledges that information and beliefs are subjective. Market prices can be translated into implied probabili…

q-fin.PR2009★ 5 cited

Market Implied Probability Distributions and Bayesian Skew Estimation

Ulrich Kirchner

We review and illustrate how the volatility smile translates into a probability distribution, the market-implied probability distribution representing believes priced in. The effec…

astro-ph2004★ 29 cited

Multiverses and Cosmology: Philosophical Issues

W. R. Stoeger, G. F. R. Ellis, U. Kirchner

The idea of a multiverse -- an ensemble of universes or universe domains -- has received increasing attention in cosmology, both as the outcome of the originating process that gene…