Find out cause for the demand curve for bison to shift outward.
Among which of these would cause the demand curve for bison (America buffalo) to shift out? describe.
i. An outbreak of mad cow disease among U.S. cattle.
ii. Stiff compentation among bison producers brings a fall in the price of bison meat.
iii. A famous chef releases a new cookbook including recipes for bison stew, bison burgers, etc.