#Codes for Tahvonen, Voss, Quaas, and Schmidt (2012). Optimal harvesting of an age-structured schooling fishery. #Environmental and resource economics 2012 reset; model BalticspratERE.mod.txt; data BalticspratERE.dat.txt; option solver knitroampl; option knitro_options "maxit=3000 opttol=1.0e-7"; solve; option display_width 2; display H; display B; option display_width 1000; display x;