Most social worlds lack a norm of giving much extra respect to claims supported by offers to bet. This is a shame because such norms would reduce insincere untruthful claims, and so make for more accurate beliefs in listeners. But instead of advocating for change, in this post I wonder: why are such norms rare?

Yes there are random elements in which groups have which norms, and yes given a local norm that doesn’t respect bets it looks weird to offer bets there. But in this post I’m looking more to explain which norms appear where, and less who follows which norms.

Bets have been around for a long time, and by now most intellectuals understand them, and know that all else equal those who really believe more strongly are willing to bet more. So you might think it wouldn’t be that hard for a betting norm to get added on to all other local norms and cultural factors; all else equal respect bets as showing confidence. But if this happens it must be counter-balanced by other effects, or bets wouldn’t be so rare. What are these other effects?

While info often gets overtly shared in casual conversation, most of that info doesn’t seem very useful.  I thus conclude that casual conversation isn’t mainly about overtly sharing info. So I assume the obvious alternative: casual conversation is mostly about signaling (which is covert or indirect info sharing). But still the puzzle remains: whatever else we signal via conversation, why don’t we typically expect a betting offer to signal overall-admirable confidence in a claim?

One obvious general hypothesis to consider here is that betting signals typically conflict with or interact with other signals. But which other signals, and how? In the rest of this post I explore a few bad-looking features that bets might signal:

• Sincerity – In many subcultures it looks bad to care a lot about most any topic of casual conversation. Such passion suggests that you just don’t get the usual social functions of such conversations. Conversationalists ideally skip from topic to topic, showing off their wits, smarts, loyalties, and social connections, but otherwise caring little about the truth on particular topics. Most academia communities seem to have related norms. Offers to bet, in contrast, suggest you care too much about the truth on a particular topic. Most listeners don’t care if your claim is true, so aren’t interested in your confidence. Of course on some topics people are expected to care a lot, so this doesn’t explain fewer bets there.

• Conflict – Many actions we take are seen as signals of cooperation or conflict. That is, our actions are seen as indicating that certain folks are our allies, and that certain other folks are our rivals or opponents. A bet offer can be seen as an overt declaration of conflict, and thus make one look overly confrontational, especially within a group that saw itself as mainly made of allies. We often try to portray any apparent conflict in casual conversations as just misunderstandings or sharing useful info, but bets are harder to portray that way.

• Provinciality – Bets are most common today in sports, and sport arguments and bets seem to be mostly about showing loyalty to particular teams. In sports, confrontation is more ok and expected about such loyalties. Offering to bet on a team is seen as much like offering to have a fist fight to defend your team’s honor. Because of this association with regional loyalties in sports, offers to bet outside of sports are also seen as affirmations of loyalties, and thus to conflict with norms of a universal intellectual community.

• Imprudence – Some folks are impulsive and spend available resources on whatever suits their temporary fancy, until they just run out. Others are careful to limit their spending via various simple self-control rules on how much they may spend how often on what kinds of things. Unless one is in the habit of betting often from a standard limited betting budget, bets look like unusual impulsive spending. Bettors seem to not sufficiently keep under control their impulsive urges to show sincerity, make conflict, or signal loyalties.

• Disloyalty – In many conversations it is only ok to quote as sources or supports people outside the conversation who are “one of us.” Since betting markets must have participants on both sides of a question, they will have participants who are not part of “us”. Thus quoting betting market odds in support of a claim inappropriately brings “them” in to “our” conversation. Inviting insiders to go bet in those markets also invites some of “us” to interact more with “them”, which also seems disloyal.

• Dominance – In conversation we often pretend to support an egalitarian norm where the wealth and social status of speakers is irrelevant to which claims are accepted or rejected by the audience. Offers to bet conflict with that norm, by seeming to favor those with more money to bet. Somehow, who is how smart or articulate or has more free time to read are considered acceptable bases for conversation inequities. While richer folks could be expected to bet more, the conversation would have to explicitly acknowledge that they are richer, which is rude.

• Greed – We often try to give the impression that we talk mainly to benefit our listeners. This is a sacred activity. Offering to bet money makes it explicit that we seek personal gains, which is profane. This is why folks sometimes offer to bet charity; the money goes to the winner’s favorite charity. But that looks suspiciously like bringing profane money-lenders into a sacred temple.

Last week I said bets can function much like arguments that offer reasons for a conclusion. If so, how do arguments avoid looking bad in these ways? Since the cost to offer an argument is much less than the cost to offer a bet, arguments seem less imprudent and less show sincerity. Since the benefits from winning arguments aren’t explicit, one can pretend to be altruistic in giving them. Also, you can pretend an argument is not directed at any particular listener, and so is not a bid for conflict. Since most arguments t0day are not about sports, arguments less evoke the image of a sports-regional-signal. As long as you don’t quote outsiders, arguments seem less an invitation to invoke or interact with outsiders.

If we are to find a way to make bets more popular, we’ll need to find ways to let people make bets without sending these bad-looking signals.

Added: It is suspicious that I didn’t do this analysis much earlier. This is plausibly due to the usual corrupting effect of advocacy on analysis; because I advocated betting, I analyzed it insufficiently.