Isn't the market inefficiency to which you refer merely all market participants choosing to sell at inflated prices? In what scenario would universally inflate

Isn't the market inefficiency to which you refer merely all market participants choosing to sell at inflated prices? In what scenario would universally inflated prices not be rent seeking? Erecting artificial regulatory barriers via lobbying? Rent-seeking. Collusion between market participants to keep the price significantly above the cost of production? Rent-seeking.