狠狠撸

trade supply and demand comparative advantage foreign exchange market opportunity cost absolute advantage supply demand normal profits economic profits forex spillover costs monopoly market for loanable funds balance of payments production possibilities elasticity canada protectionism tariffs us elasticity of demand and supply suv's depreciation cross currency chart utiliity perfect competition maximize utility microeconomics wage labor factor market keynesian multiplier effect multiplier effect keynes output method comparative advantage iou method supply curve shift ppf demand curve shift inputs change in supply butter social cost negative externalitiy