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Olimpiade Sains Nasional (OSN) 2007 - Ekonomi , Nomor 31

31

Suppose this month it is observed that producers now require a higher price at each point of quantity supplied than last month. This change illustrates . .

a. a decrease in supply

b. an increase in supply

c. a decrease in demands

d. an increase in demand

e. an increase in supply and decrease in demand