#Ergodicity

Luca Dellanna

DellAnnaLuca

A NON-BINARY VIEW OF ERGODICITYFrom a mathematical point of view, a model describing an activity is either ergodic or isn't.In real life, instead, it makes sense to describe ergodicity as

Luca Dellanna

DellAnnaLuca

WHY IS ERGODICITY IMPORTANT? AN EXAMPLEMy cousin was born in a mountain village in the French Alps. Like many there, he learned to ski before reading.I am a good skier,

10-K Diver

10kdiver

1/Get a cup of coffee.In this thread, I'll help you understand Geometric Expectations. 2/Imagine we have an investment opportunity.If the investment goes well, we get to double our money.But if

Taylor Pearson

TaylorPearsonMe

For my next trick, I will now attempt to summarize @ole_b_peters very insightful paper in @nature : The Ergodicity Problem in EconomicsAt the risk of being hyperbolic, I think it

Ben Golub

ben_golub

A polite, scathing, and comprehensive reply by @jasndoc and coauthors to the "ergodicity economics" of @ole_b_peters.@NaturePhysics erred in not finding a referee who would ask these basic questions of the

Shefaly Yogendra, PhD

shefaly

In these first two days of #RWRI14/ #RWRI my key takeaways relate to avoidance of ruin, #risk layering, dynamic assessment of risk, and fat tail risk awareness.For us practitioners, these

Anthony Lee Zhang

AnthonyLeeZhang

Largely agree with Ben's points here, some other thoughts...In physics, mathematical models are either basically correct or not. Newton's laws either hold in all cases or are a wrong (or

Michael

profplum99

1/n It's unfortunate that this is the takeaway. I have spoken frequently about the objections I have to the intrusion of the state in private affairs and the benefit we

J Fernández Rossier

jfrossier

(1/n) This is a thread about these flashy journals we love and complain about, at the same time. I was reading this https://www.nature.com/articles/s41567-018-0226-5 from @NaturePhotonics (2018) (brought to my attention

Luca Dellanna

DellAnnaLuca

We live in a MIMETIC SOCIETY, in which right and wrong are largely determined by what others do, can do, and are expected to do. Imitation is the norm.It seems

Ole Peters

ole_b_peters

1/14More on @soniasodha's Analysis program from last night.@ReicherStephen was wonderfully clear. He says there's a "classic" view of humans now, according to which we are psychological frail, biased, faulty. We

Tyler Durden

__paperstreet__

Excerpt from a conversation with a client about backtesting and how to approach quant trading.People tell max dd numbers to their client like they know what is going to happen

Ariah Klages-Mundt

aklamun

Finally caught up on crypto twitter A few thoughts on this AMM debate:1) The math itself seems plausible based on volatility harvesting results (though I haven't checked the details).

Simon Wardley

swardley

Contextual blindness - the tendency for members of the privileged to think that something other than luck was responsible for their position and privilege ->https://twitter.com/indiyoung/status/1338623809939779584 X : Why random?Me :

10-K Diver

10kdiver

1) Get a cup of coffee. In this thread, I'm going to walk you through "The Kelly Criterion". 2) In 1956, John Kelly published a paper titled "A New Interpretation

🔰🌐🏳️‍🌈 🧦 Chief Georgist Shill 🧦🏳️‍🌈🌐🔰

BlueRepublik

EVERY. TIME. https://twitter.com/NLRG_/status/1338622300858552322 this is a good thread by @ben_golub but I'd also like to make clear that Peters is very much a crank, and is using an extremely deceptive

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