Jun

27

Ergodicity - odds of group equal odds of individual over time. Risk differs in coin toss and Russian Roulette due to absorbing barrier. Adopt strict risk aversion in trading. Survival is key.

Big Al suggests:

Luca Dellanna on Risk, Ruin, and Ergodicity
May 29 2023

Author and consultant Luca Dellanna talks with EconTalk host Russ Roberts about the importance of avoiding ruin when facing risk. Along the way Dellanna makes understandable the arcane concept of ergodicity and shows the importance of avoiding ruin in every day life.

Ergodicity: Definition, Examples, And Implications, As Simple As Possible, by Luca Dellanna

Larry Williams asks:

What the fun of life with modulated risk?

Nils Poertner wonders:

why do so many traders self-sabotage themselves (self-sabotage is perhaps a strong world but from the outside world it looks like that). some deeper religious guilt thing or so? addictions?

H. Humbert responds:

You can get your fun from winning instead of from the risk taking it takes to win.

Larry Williams asks again:

And how do you win without risking???

H. Humbert answers:

You can't. I was reacting to "the fun of life with modulated risk" comment. You can enjoy the risk taking part, the winning part, both, or none. To me, simply enjoying the risk taking part incentivizes the wrong thing, but enjoying winning, the right thing. You could say that simply enjoying taking risks will lead to winning but then every gambling addict would be a winner, so it's not that simple.

Zubin Al Genubi responds:

As a practical matter money management and convex asymmetric payoffs. Recognizing the risk and the extent is a big part of the puzzle. There is a large range from the coin flip to Russian Roulette not quite recognized by static statistics. The time element is important, hence ergodicity.

Larry Williams states:

Risk within reason but still risk - keeps us young!


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