The next
couple of posts will explore the idea of how to learn from the turkey or the
problem of induction or inductive knowledge as discussed by Nassim Nicholas
Taleb in his book, The Black Swan The
Impact of the Highly Improbable. I have referred to this book before as it
has what I consider some highly insightful and provocative concepts, thoughts,
and commentary relating directly to economics and finance. This problem also
directly relates to the Black Swan phenomena as discussed by Taleb in his book
mentioned above.
The
problem of the turkey can be seen in the
following story. Suppose you are a turkey and today the farmer comes to your
pen and feeds you. Initially you think to yourself, this is interesting I
wonder what is going to happen tomorrow? By the 14th day of feeding you
are thinking this is pretty good. By the 50th day of the same
activity you think this feeding thing is really great. I am going to brag to my
friends about the farmer. By the 250th day you have forgotten that you
ever worried about food. By the 350th day you feel you are entitled
to being feed. You can look back on a long history of consistent feedings, it has
always happened. No change, no difference. You expect tomorrow to be just the
same as every other day, why wouldn’t it be? Tomorrow comes. The farmer has an
ax- it is the day before Thanksgiving. You were not expecting that! The consequences
of underestimating the impact is significant for you (the turkey). This is the
problem of induction. Do past experiences or histories allow us to predict
future events and activities? How do we know that what has been observed will
be sufficient to enable us to figure out the properties of what we have been
observing? Taleb poses several questions including; one, “how can we know the
future, given knowledge of the past; or, more generally, how can we figure out
properties of the unknown based on the known?”, two, “how can we logically go
from specific instances to reach general conclusions?” and three, “How do we
know what we know?”
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Let’s
further consider the problem of the turkey. Was the farmer suffering from a
problem of induction? No, of course not. He knew exactly what was happening. Such
problems can be very one-sided and it is critical which side we are on. In the following
posts we will look at some specific examples of the problem of induction
relating to recent financial and economic problems and some ideas for handling
the problems. Additionally, I think there are some applications for world building that
I hope will be interesting and helpful.