2 Tradeable Rights and Permits these could be sold at a fixed price to each of the producers or a more market orientated approach would be to auction them to the highest bidder this gives firms time to adjust and gives them more management freedom2. Tradeable Rights and Permits ▪ these could be sold at a fixed price to each of the producers or a more market orientated approach would be to auction them to the highest bidder. ▪ this gives firms time to adjust and gives them more management freedom