Price fluctuations under adaptive learning in renewable resource markets su
ch as fisheries are examined. Optimal fishery management with logistic fish
population growth implies a backward-bending, discounted supply curve for
bioeconomic equilibrium sustained yield. Higher discount rates bend supply
backward more to generate multiple steady-state rational expectations equil
ibria. Under bounded rationality, adaptive learning of a linear forecasting
rule generates steady-state, two-cycle as well as chaotic consistent expec
tations equilibria, which are self-fulfilling in sample average and autocor
relations. The possibility of "learning to believe in chaos" is robust and
even enhanced by dynamic noise.