Cultivate Labs Blog
Discussing how crowd forecasting, internal crowdfunding, and other new workplace trends can be used to improve the #futureofwork
By Ben Golden on Jan 08, 2016
Bayesian Reasoning and Prediction Markets
I enjoyed John Horgan's piece on Bayes Theorem for Scientific American. Bayes Theorem and Bayesian reasoning are highly applicable when thinking about forecasting and prediction markets; indeed, one prediction market built a Bayes Net into its platform. In this post I'll explain what Bayesian reasoning is, why it matters to prediction markets, and give a concrete (but semi-fictitious) example of how it's applied.
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By Ben Golden on Dec 16, 2015
What Is Liquidity And How Does It Affect Prediction Markets?
Our sites use a popular prediction market algorithm called LMSR to determine how markets adjust when someone makes a forecast, and how user scores are affected by making correct and incorrect forecasts.
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By Ben Golden on Dec 09, 2015
Forecasting Hard Questions
I've been trying to pick NFL game winners. I'm not using any complex analytical model; rather, I'm making decisions the way most sports bettors do--I watch some games, read the news, and use my judgment. I make each of my picks on SportsCast, which allows me to track my performance, interact with other forecasters, and track the performance of the prediction market--that is, the collective performance of all the forecasters on SportsCast.
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By Ben Roesch on Dec 08, 2015
Measuring Accuracy in Prediction Markets and Opinion Poll/Pools
One of the first and most important questions we get from clients, forecasters, and consumers of our data is: “How accurate are these forecasts?”. In order to answer this question, we have utilized and built upon a widely accepted proper scoring rule, i.e. a way to measure accuracy for a probabilistic forecast.
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By Ben Golden on Dec 04, 2015
Getting Started With Prediction Markets
Joining a prediction market can be confusing and anxiety-inducing. It's easy to be overwhelmed by all the questions, to not understand the forecasting interface, or to have trouble forming opinions to base forecasts on. All of this is pretty natural--as a now-experienced forecaster, I can remember these feelings the first time I joined a prediction market. In this post I'll address a few specific emotional barriers that make it difficult to start forecasting.
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By Ben Golden on Nov 23, 2015
Demystifying Unicorns Through Prediction Markets
On a recent podcast, Jack Schultz and I discussed two razor companies that are poised to become unicorn companies. Unicorns--startups that grow to billion-dollar valuations while remaining private--are somewhat mysterious and the subject of continuous speculation.
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By Cultivate Labs on Nov 19, 2015
Prediction Markets -- Beginner to Intermediate
Wikipedia’s intro paragraph for prediction markets is the following:Prediction markets (also known as predictive markets, information markets, decision markets, idea futures, event derivatives, or virtual markets) are exchange-traded markets created for the purpose of trading the outcome of events.
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By Jess Price on Nov 17, 2015
Logo is a four letter word: Branding Cultivate Labs
Creating a logo for a company can be a daunting task. In this post our Creative Director, Jessica Price explains how we landed on the final logo for Cultivate Labs.
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By Ben Golden on Nov 16, 2015
Predict Daily Fantasy Football Leaders on SportsCast
One use of prediction markets I've been really excited about is forecasting individual players' performances in major sports. These predictions are incredibly useful when playing fantasy sports--both daily fantasy and season-long leagues--and the forecasts that currently exist tend to be, in my experience, pretty mediocre. Prediction markets present an opportunity for the wisdom of the crowds to intervene, and will likely lead to more accurate forecasts.
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By Adam Siegel on Nov 09, 2015
Finding value in the much maligned "networking event"
While I’ll grant the naysayers that some networking events end up being a waste of time, I’ve been pleasantly surprised to find one aspect universally helpful: the ability to have short, 5 minute conversations with everyone I meet about our business.
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By Ben Golden on Oct 27, 2015
What Is A Prediction? What Is Crazy? Markets Can Help
Over at Grantland, Zach Lowe has published an article featuring 35 crazy prediction for the upcoming NBA season. Writes Lowe: For this to be fun, we have to find the sweet spot between bat-crap crazy and probable. Let’s all be wrong together!
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By Ben Golden on Oct 13, 2015
Prediction Markets In A World Hostile To Gambling
Two key take-aways from the emerging scandal surrounding Daily Fantasy sites: one, gambling data can be extremely valuable, and two: the only thing Americans love more than gambling is hating on gambling. Taken together, these findings illustrate why large-scale prediction markets present a path towards improving human knowledge in a wide range of topics.
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By Jess Price on Oct 06, 2015
VC's should be doing this
Amongst the leadership teams of the portfolio companies at any medium to large investment firm, there is an incredible amount of experience, wisdom, and perspective that is not collectively being taken advantage of.
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By Ben Golden on Oct 05, 2015
Your Competitors Are Predictable
We recently started working with a Houston-based client in the Energy sector, who wanted to use a prediction market to help with internal operations, and to create greater transparency and communication within their company. We spent a couple months meeting with our client to learn about their business and objectives, and using test questions (e.g. asking about Houston sports teams) to help participants understand how prediction markets work. Our initial questions focused on specific operations
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By Vanessa Pineda on Oct 05, 2015
There's No Driving With a Dead Engine: The Importance of Project Sponsorship
Have you ever been tasked with driving a project you’ve felt was going nowhere? Maybe you were a project manager or project owner, coordinating a team that was working on something you felt wasn’t gaining traction within the organization.
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By Ben Golden on Oct 02, 2015
Prediction Market Failure
Effective prediction markets require a certain amount of liquidity--meaning that after users invest points in making a forecast, and while the question is still running, they need a way to exit their investment.
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By Cultivate Labs on Oct 01, 2015
Superforecasting -- Everything has a base rate
Basically, we want to find the base rate of similar events occurring, and then adjusting that percentage by taking into account the differences between this event and the similar ones.
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By Ben Golden on Sep 28, 2015
Does TruthCoin Solve A Problem?
I've been following the development of TruthCoin, a platform for decentralized prediction markets, for a while now. Prediction markets at their core are about crowdsourcing forecasts. At Cultivate Labs, we've also built a platform to crowdsource question authorship. TruthCoin goes one step further and crowdsources question resolution.
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By Ben Golden on Sep 21, 2015
Forecasting Atrocities
Holly Ramer has a piece up at the Washington Post about our work with the United States Holocaust Memorial Museum to identify risks of mass violence in different countries:
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By Adam Siegel on Sep 17, 2015
Nation of Insecurity
In society’s harsh klieg light, if you’re not a world class athlete with multiple Super Bowl rings, your company isn’t worth a billion dollars, you don't have rock hard abs 3 months after having a baby, or you’re a politician polling in single digits, you’re “middling.” 20 years ago, it was unheard of to meet anyone who had run a marathon, and rarer still to meet anyone who had completed an Ironman. Now you’re lucky to get a “nice job” on Facebook.
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By Ben Golden on Sep 14, 2015
Evaluating Accuracy Effect By Percentile
In my last post analyzing my own forecasting history on Inkling Markets, I showed that I was consistently identifying long-shot bets that were more likely to pay off than their existing probability would suggest. In this post, I'll look at how my forecasts improve the accuracy of these markets, calculating how many the change in component Brier score within different percentiles.
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By Ben Golden on Sep 11, 2015
Evaluating User Forecasts By Percentile
To analyze forecasts' accuracy, I looked specifically at forecasts that crossed percentile thresholds, and then examined how often the result being forecast actually occurred.
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By Ben Golden on Sep 09, 2015
Usually Wrong Can Be Right
We're developing some new tools to analyze forecasters' performance, biases, and ways to help them improve, and I've been digging into my own forecasting history on Inkling. I've focused on a set of 3,343 forecasts I've made in questions that use an LMSR algorithm and have already resolved. The first interesting finding is that most of my forecasts have been wrong.
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By Ben Golden on Aug 31, 2015
What Ashley Madison Can Teach About Prediction Markets
(You know, besides how to cheat...)The recent hack of Ashley Madison--a dating service marketed towards married people--revealed that almost no women were actively using the site. Rather, the site's almost entirely male userbase was paying to interact with non-existent, fake, or inactive female accounts.
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By Ben Golden on Aug 20, 2015
Gaming Prediction Markets
Prediction markets are generally very good at generating accurate forecasts, but a key secondary challenge is to determine which forecasters are contributing most to forecast accuracy. User scores are closely linked to their accuracy because the underlying market mechanism rewards users when they move a forecast closer to its actual result and penalizes them when they move the forecast away from the result.
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