I'm not versed in economics, but the solution doesn't have to be outright banning open air markets. Perhaps an alternative is putting work into building the inf

I'm not versed in economics, but the solution doesn't have to be outright banning open air markets. Perhaps an alternative is putting work into building the infrastructure that would uplift the poorer farmers to a point where they wouldn't need these open air markets, and can instead support their livelihoods with less dangerous means.