In the kinked-demand model of noncollusive oligopoly, if one firm increases its price, the most likely reaction of the other firms will be to:

A private auction is an auction in which

A) individuals know their own value of the good and everyone else's valuation, too. B) individuals have their own valuation of the good but don't know everyone else's. C) many auctions are auctioned off at the same time. D) only one good is auctioned off.

Some policymakers have argued that products like cigarettes, alcohol, and sweetened soda generate negative externalities in consumption. All else equal, if the government decided to impose a tax on soda, the equilibrium quantity of soda would ________

and the equilibrium price of soda would ________. A) increase; increase B) increase; decrease C) decrease; increase D) decrease; decrease