English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We derive a simple robust single-factor market model under statistical ambiguity that uses relative entropy as the ambiguity index constraining the multiple priors set. We also discuss theoretically the validity of relative entropy to measure model discrepancy and detect misspecification. The premium on both risk and ambiguity in our model would set a bound on stock prices that investors can use as a ‘margin of safety’ against extreme market events.

A simple robust asset pricing model under statistical ambiguity